Bolster definition

bōlstər
To bolster is to uplift.

An example of to bolster is lift someone’s spirits with a good speech.

verb
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To buoy up or hearten.

Visitors bolstered the patient's morale.

verb
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To support or prop up with or as if with a long narrow pillow or cushion.
verb
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The definition of a bolster is something that helps support weight.

An example of a bolster is a cross beam in a ceiling.

noun
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Bolster is defined as a long narrow cushion.

An example of a bolster is the cylinder shaped pillow that runs along the back of a couch.

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A long, narrow cushion or pillow.
noun
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A soft pad for easing pressure on any part of the body.
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Any bolsterlike object or support.
  • A capping piece over a post to extend the bearing area under a beam.
  • The connecting part between the volutes of an Ionic capital.
noun
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To prop up as with a bolster; support, strengthen, or reinforce.
verb
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A large cushion or pillow.
noun
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A pad, quilt, or anything used to hinder pressure, support part of the body, or make a bandage sit easy upon a wounded part; a compress.
noun
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To bolster is to support or strengthen something.

An example of to bolster is to add another piece of wood to strengthen a bird house.

verb
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A long narrow pillow or cushion.
noun
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(vehicles, agriculture) A small spacer located on top of the axle of horse-drawn wagons which give the front wheels enough clearance to turn.
noun
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A short, horizontal, structural timber between a post and a beam for enlarging the bearing area of the post and/or reducing the span of the beam. Sometimes also called a pillow or cross-head (Australian English).
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The perforated plate in a punching machine on which anything rests when being punched.
noun
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The part of a knife blade that abuts upon the end of the handle.
noun
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The metallic end of a pocketknife handle.
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(architecture) The rolls forming the ends or sides of the Ionic capital.

noun
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(military, historical) A block of wood on the carriage of a siege gun, upon which the breech of the gun rests when arranged for transportation.
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verb
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Other Word Forms

Noun

Singular:
bolster
Plural:
bolsters

Origin of bolster

  • Middle English from Old English bhelgh- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle English bolstre, from Old English bolster (“bolster, cushion”), from Proto-Germanic *bulstraz, *bulstrą (“bolster”), from Proto-Indo-European *bʰelǵʰ- (“bag, pillow, paunch”), from Proto-Indo-European *bʰel- (“to swell, blow, inflate, burst”). Cognate with Scots bowster (“bolster”), West Frisian bulster (“mattress”), Dutch bolster (“husk, shell”), German Polster (“bolster, pillow, pad”), Swedish bolster (“soft mattress, bolster”), Icelandic bólstur (“pillow”).

    From Wiktionary