plume

1 of 2

noun

1
: a feather of a bird: such as
a
: a large conspicuous or showy feather
c
d
: a cluster of distinctive feathers
2
a
: material (such as a feather, cluster of feathers, or a tuft of hair) worn as an ornament
b
: a token of honor or prowess : prize
3
: something resembling a feather (as in shape, appearance, or lightness): such as
a
: a plumose appendage of a plant
b
: an elongated and usually open and mobile column or band (as of smoke, exhaust gases, or blowing snow)
c
: an animal structure having a main shaft bearing many hairs or filamentous parts
especially : a full bushy tail
d
: any of several columns of molten rock rising from the earth's lower mantle that are theorized to drive tectonic plate movement and to underlie hot spots

Illustration of plume

Illustration of plume
  • P plume 2a

plume

2 of 2

verb

plumed; pluming

transitive verb

1
a
: to provide or deck with feathers
b
: to array showily
2
: to indulge (oneself) in pride with an obvious or vain display of self-satisfaction
3
of a bird
a
: to preen and arrange the feathers of (itself)
b
: to preen and arrange (feathers)

Examples of plume in a Sentence

Noun a hat with bright ostrich plumes the Nobel Prize for Literature is the plume that all authors covet Verb that jerk plumes himself on his supposed athletic skills
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Small plants, animals and microbes thrive off the plumes of mineral-rich gases billowing from the Axial Seamount's hydrothermal vents. Kameryn Griesser, CNN Money, 8 May 2025 The conclave of cardinals sequestered since Tuesday in Vatican City sent out one plume, then another of black smoke from the Sistine Chapel’s chimney while the world waited, before the stream of white smoke on Thursday that signaled the news. Darrell Smith, Sacbee.com, 8 May 2025
Verb
Smoke will plume into the Roman sky again on Wednesday night. James Horncastle, New York Times, 14 May 2025 Amid Trump’s trade deal victory lap, white smoke plumed out of the Sistine Chapel’s chimney, signaling the papal conclave elected a new pope. Rebecca Morin, USA Today, 9 May 2025 See All Example Sentences for plume

Word History

Etymology

Noun

Middle English, from Anglo-French, from Latin pluma small soft feather — more at fleece

First Known Use

Noun

14th century, in the meaning defined at sense 1

Verb

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of plume was in the 14th century

Browse Nearby Words

Cite this Entry

“Plume.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plume. Accessed 24 May. 2025.

Kids Definition

plume

1 of 2 noun
1
: a feather of a bird
especially : one that is large and showy
2
a
: a feather or tuft of feathers worn as an ornament (as on a hat)
b
: a deserved prize or reward
3
: something that resembles a feather (as in shape or lightness)
a plume of smoke
plumy
ˈplü-mē
adjective

plume

2 of 2 verb
plumed; pluming
1
: to provide or adorn with feathers
2
: to act with too much pride in oneself
plumed himself on his swimming skill
3
: to arrange the feathers of : preen
a bird pluming itself

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