pyramid

noun
pyr·​a·​mid | \ ˈpir-ə-ˌmid How to pronounce pyramid (audio) \

Definition of pyramid

 (Entry 1 of 2)

1a : an ancient massive structure found especially in Egypt having typically a square ground plan, outside walls in the form of four triangles that meet in a point at the top, and inner sepulchral chambers
b : a structure or object of similar form
2 : a polyhedron having for its base a polygon and for faces triangles with a common vertex — see Volume Formulas Table
3 : a crystalline form each face of which intersects the vertical axis and either two lateral axes or in the tetragonal system one lateral axis
4 : an anatomical structure resembling a pyramid: such as
a : any of the conical masses that project from the renal medulla into the renal pelvis
b : either of two large bundles of motor fibers from the cerebral cortex that reach the medulla oblongata and are continuous with the pyramidal tracts of the spinal cord
5 : an immaterial structure built on a broad supporting base and narrowing gradually to an apex the socioeconomic pyramid

pyramid

verb
pyramided; pyramiding; pyramids

Definition of pyramid (Entry 2 of 2)

intransitive verb

1 : to speculate (as on a security or commodity exchange) by using paper profits as margin for additional transactions
2 : to increase rapidly and progressively step by step on a broad base

transitive verb

1 : to arrange or build up as if on the base of a pyramid
2 : to use (something, such as profits) in speculative pyramiding
3 : to increase the impact of (something, such as a tax assessed at the production level) on the ultimate consumer by treating as a cost subject to markup

Illustration of pyramid

Illustration of pyramid

Noun

pyramid 2

In the meaning defined above

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Other Words from pyramid

Noun

pyramidal \ pə-​ˈra-​mə-​dᵊl How to pronounce pyramidal (audio) , ˌpir-​ə-​ˈmi-​ How to pronounce pyramidal (audio) \ adjective
pyramidally adverb
pyramidical \ ˌpir-​ə-​ˈmi-​di-​kəl How to pronounce pyramidical (audio) \ adjective

Examples of pyramid in a Sentence

Noun

the ancient pyramids of Egypt

Recent Examples on the Web: Noun

The academy graduate was affected by Real's nightmare showing in 2018/19 and is determined to lift the side back to the top of the European footballing pyramid. SI.com, "Nacho Rejected Offers to Leave Real Madrid as Julen Lopetegui Sought Reunion," 7 Sep. 2019 The pyramid’s distinctly triangular spire and unprecedented height drew scorn in the 1970s. Roland Li, SFChronicle.com, "Transamerica Pyramid, once-despised landmark that became SF symbol, for sale," 16 Aug. 2019 The most famous winery here, Summerhill, manifests a spiritual connection among man and nature and wine: all of its wines are aged in the winery’s landmark pyramid, so as to imbibe the energy imparted by the structure’s sacred geometry. Outside Online, "The Best Places to Savor Fall in British Columbia," 14 Aug. 2019 The hormonal acne treatment pyramid starts with good over-the-counter cleansers. Jenn Sinrich, SELF, "5 Signs You're Dealing with Hormonal Acne—and How to Treat It," 2 July 2019 Lijana also suffered a major injury after falling during a rehearsal for an eight-person pyramid stunt. Peter Dawson, Houston Chronicle, "Houston pastor Joel Osteen prays with Wallendas before their death-defying feat over Times Square," 24 June 2019 In 2017, Nik Wallenda was among eight performers rehearsing in pyramid formation when sister Lijana began to wobble. Fox News, "Flying Wallendas cross Times Square on high wire in dramatic stunt," 24 June 2019 And while her hair, as well as her lithe yet muscular figure, often skewed androgynous, her makeup played up her almond gaze, pyramid-sharp cheekbones, and pillowy mouth to super-goddess effect. Lauren Valenti, Vogue, "Happy Birthday, Grace Jones! 18 Times the Fearless Pop Icon Broke the Beauty Mold," 19 May 2019 Best known for his then-scandalous, now-iconic pyramid outside Paris's Louvre museum, Pei designed numerous boundary-pushing structures around the world. Hadley Keller, House Beautiful, "Iconic Architect I. M. Pei Dies at 102," 17 May 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pyramid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of pyramid

Noun

1549, in the meaning defined at sense 1a

Verb

circa 1900, in the meaning defined at intransitive sense 1

History and Etymology for pyramid

Noun

Latin pyramid-, pyramis, from Greek

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Statistics for pyramid

Last Updated

12 Oct 2019

Look-up Popularity

Time Traveler for pyramid

The first known use of pyramid was in 1549

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More Definitions for pyramid

pyramid

noun

English Language Learners Definition of pyramid

: a very large structure built especially in ancient Egypt that has a square base and four triangular sides which form a point at the top
: a shape, object, or pile that is wide near the bottom and narrows gradually as it reaches the top
: something that resembles a pyramid in the way its parts are arranged or organized

pyramid

noun
pyr·​a·​mid | \ ˈpir-ə-ˌmid How to pronounce pyramid (audio) \

Kids Definition of pyramid

1 : a large structure built especially in ancient Egypt that usually has a square base and four triangular sides meeting at a point and that contains tombs
2 : a shape or structure with a polygon for its base and three or more triangles for its sides which meet to form the top

pyramid

noun
pyr·​a·​mid | \ ˈpir-ə-ˌmid How to pronounce pyramid (audio) \

Medical Definition of pyramid

1 : a polyhedron having for its base a polygon and for faces triangles with a common vertex
2 : an anatomical structure resembling a pyramid: as
b : either of two large bundles of motor fibers from the cerebral cortex that reach the medulla oblongata and are continuous with the corticospinal tracts of the spinal cord
c : a conical projection making up the central part of the inferior vermis of the cerebellum

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pyramid

noun
pyr·​a·​mid | \ ˈpir-ə-ˌmid How to pronounce pyramid (audio) \

Legal Definition of pyramid

 (Entry 1 of 3)

1 : a group of holding companies superimposed on one another to give those in control of the top holding company control over all of the companies with a small investment
2 : the series of operations involved in pyramiding on an exchange
3 : a pyramid scheme

Legal Definition of pyramid (Entry 2 of 3)

: to speculate (as on a security or commodity exchange) by using paper profits as a margin for additional transactions

transitive verb

1 : to use (as profits) in speculative pyramiding
2 : to increase the impact of (as a tax assessed at the production level) on the ultimate consumer by treating as a cost subject to markup

pyramid

adjective

Legal Definition of pyramid (Entry 3 of 3)

: of, relating to, or being an illegal scheme in which participants give money or other valuables in exchange for the opportunity to receive payment for recruiting others to participate in the scheme

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More from Merriam-Webster on pyramid

Rhyming Dictionary: Words that rhyme with pyramid

Spanish Central: Translation of pyramid

Nglish: Translation of pyramid for Spanish Speakers

Britannica English: Translation of pyramid for Arabic Speakers

Britannica.com: Encyclopedia article about pyramid

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