pyramid

1 of 2

noun

pyr·​a·​mid ˈpir-ə-ˌmid How to pronounce pyramid (audio)
1
a
: 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
pyramidally adverb
pyramidical adjective

Illustration of pyramid

Illustration of pyramid
  • pyramid 2

pyramid

2 of 2

verb

pyramided; pyramiding; pyramids

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

Examples of pyramid in a Sentence

Noun the ancient pyramids of Egypt
Recent Examples on the Web
Noun
Traditionally, Trump installs family members at the top of his organizational pyramids, but the obvious choices were unavailable. Eric Cortellessa, TIME, 12 July 2024 Among the gleaming pyramids of fruit, golden rows of bread, and freezers crammed with ice cream, time and space collapse. Yasmin Tayag, The Atlantic, 11 July 2024 Above all, from the packaging to the scent pyramids, the colognes and perfumes are special. Michael Stefanov, Robb Report, 11 July 2024 And then there’s an even smaller triangle in that pyramid of Black women, Black men, poor Americans, immigrants of all kinds, Native American writers, et cetera, et cetera. Byrd Pinkerton, Vox, 1 July 2024 See all Example Sentences for pyramid 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'pyramid.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Noun

Latin pyramid-, pyramis, from Greek

First Known Use

Noun

1549, in the meaning defined at sense 1a

Verb

circa 1900, in the meaning defined at intransitive sense 1

Time Traveler
The first known use of pyramid was in 1549

Dictionary Entries Near pyramid

Cite this Entry

“Pyramid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pyramid. Accessed 24 Jul. 2024.

Kids Definition

pyramid

1 of 2 noun
pyr·​a·​mid ˈpir-ə-ˌmid How to pronounce pyramid (audio)
1
: a massive structure built especially in ancient Egypt that usually has a square base and four triangular sides meeting at a point
2
: something that resembles a pyramid in shape or organization
the social pyramid
3
: a polyhedron that has a polygon for its base and triangles that meet at a point at the top for its sides

pyramid

2 of 2 verb
: to build up in the form of a pyramid

Medical Definition

pyramid

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

Legal Definition

pyramid

1 of 3 noun
pyr·​a·​mid ˈpir-ə-ˌmid How to pronounce pyramid (audio)
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

pyramid

2 of 3 intransitive verb
: 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

3 of 3 adjective
: 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
Last Updated: - Updated example sentences
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