• Bolster

    Pronunciation

    • UK IPA: /ˈbəʊlstÉ™/

    Alternative forms

    Origin

    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").

    Noun

    bolster

    (plural bolsters)
    1. A large cushion or pillow.
      • ShakespeareAnd here I'll fling the pillow, there the bolster,
        This way the coverlet, another way the sheets.
    2. 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.
      • John GayThis arm shall be a bolster for thy head.
    3. (vehicles, agriculture) A small spacer located on top of the axle of horse-drawn wagons which give the front wheels enough clearance to turn.
    4. 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).
    5. The perforated plate in a punching machine on which anything rests when being punched.
    6. The part of a knife blade that abuts upon the end of the handle.
    7. The metallic end of a pocketknife handle.
    8. (architecture) The rolls forming the ends or sides of the Ionic capital.
    9. (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.

    Synonyms

    Full definition of bolster

    Verb

    1. To brace, reinforce, secure, or support.
    © Wiktionary