plume

American  

[ploom] / plum /

noun

1. a feather.

2. a large, long, or conspicuous feather.

   the brilliant plume of a peacock.

3. a soft, fluffy feather.

   the plume of an egret.

4. any plumose part or formation.

5. a feather, a tuft of feathers, or some substitute, worn as an ornament, as on a hat, helmet, etc.

6. a feather or featherlike token of honor or distinction, especially one worn on a helmet.

7. plumage.

8. a vertically or longitudinally moving, rising, or expanding fluid body, as of smoke or water.

9. a visible pattern of smoke resulting from emissions from a stack, flue, or chimney.

10. Also called mantle plume.  Geology.  a deep-seated upwelling of magma within the earth's mantle.

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verb (used with object)

plumed, pluming

1. to furnish, cover, or adorn with plumes or feathers.

2. (of a bird) to preen (itself or its feathers).

3. to feel complacent satisfaction with (oneself ); pride (oneself ) (often followed by on orupon ).

   She sat before the mirror, pluming herself upon her beauty.

plume British  

/ pluːm /

noun

1. a feather, esp one that is large or ornamental

2. a feather or cluster of feathers worn esp formerly as a badge or ornament in a headband, hat, etc

3. biology any feathery part, such as the structure on certain fruits and seeds that aids dispersal by wind

4. something that resembles a plume

   a plume of smoke

5. a token or decoration of honour; prize

6. Also called: mantle plume.  geology a rising column of hot, low viscosity material within the earth's mantle, which is believed to be responsible for linear oceanic island chains and flood basalts

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verb

1. to adorn or decorate with feathers or plumes

2. (of a bird) to clean or preen (itself or its feathers)

3. to pride or congratulate (oneself)

plume Scientific  

/ plo̅o̅m /

1. A feather, especially a large one.

2. A body of magma that rises from the Earth's mantle into the crust.

3. ◆ If a plume rises to the Earth's surface, it erupts as lava.

4. ◆ If it remains below the Earth's surface, it eventually solidifies into a body of rock known as a pluton.

5. An area in air, water, soil, or rock containing pollutants released from a single source. A plume often spreads in the environment due to the action of wind, currents, or gravity.

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Other Word Forms

• plumeless adjective
• plumelike adjective
• replume verb (used with object)

Etymology

Origin of plume

1350–1400; earlier plome, plume, Middle English plume < Middle French < Latin plūma soft feather (> Old English plūm-, in plūmfether downy feather)

Example Sentences

An AFP reporter heard loud cracking sounds, possibly from the burning bamboo, and saw thick plumes of smoke billowing from at least four buildings as flames and ash reached high into the sky.

From Barron's

But by stretching this story to its absolute limits and removing its darkest components, there is no rousing plume of rage to compel the viewer.

From Salon

A plume of smoke billowed from the crash site as emergency vehicles sped towards it.

From Barron's

More recently, a new state satellite program has detected 17 methane plumes from nine landfills between July and October, potentially leaking the flammable gas into unwanted areas and contributing to climate change.

From Los Angeles Times

Footage online also showed ambulances rushing through the narrow streets of the crowded camp as a huge plume of smoke billowed from the location hit.

From BBC