D defs.my
Entry 14 senses · 2 variants Webster, 1913

Bolster

/(bōl"stẽr; 110)/ · Bol·ster · IPA /ˈboʊlstɚ/
01 n. A long pillow or cushion, used to support the head of a person lying on a bed; -- generally laid under the pillows.
  1. 1.
    A long pillow or cushion, used to support the head of a person lying on a bed; -- generally laid under the pillows.
    “And here I'll fling the pillow, there the bolster, This way the coverlet, another way the sheets.” Shak.
  2. 2.
    A pad, quilt, or anything used to hinder pressure, support any part of the body, or make a bandage sit easy upon a wounded part; a compress.
    “This arm shall be a bolster for thy head.” Gay.
  3. 3.
    Anything arranged to act as a support, as in various forms of mechanism, etc.
  4. 4.
    A cushioned or a piece part of a saddle.(Saddlery)
  5. 5.
    A cushioned or a piece of soft wood covered with tarred canvas, placed on the trestletrees and against the mast, for the collars of the shrouds to rest on, to prevent chafing.(Naut.)
  6. 6.
    A plate of iron or a mass of wood under the end of a bridge girder, to keep the girder from resting directly on the abutment.
  7. 7.
    A transverse bar above the axle of a wagon, on which the bed or body rests.
  8. 8.
    The crossbeam forming the bearing piece of the body of a railway car; the central and principal cross beam of a car truck.
  9. 9.
    the perforated plate in a punching machine on which anything rests when being punched.(Mech.)
  10. 10.
    That part of a knife blade which abuts upon the end of the handle.(Cutlery)
  11. 11.
    The rolls forming the ends or sides of the Ionic capital.(Arch.)
  12. 12.
    A block of wood on the carriage of a siege gun, upon which the breech of the gun rests when arranged for transportation.(Mil.)
Phrases & compounds
Bolster work — members which are bellied or curved outward like cushions, as in friezes of certain classical styles.
02 v. t. To support with a bolster or pillow.
imp. & p. p. Bolstered; p. pr. & vb. n. Bolstering
  1. 1.
    To support with a bolster or pillow.
  2. 2.
    To support, hold up, or maintain with difficulty or unusual effort; -- often with up.
    “To bolster baseness.” Drayton.
    “Shoddy inventions designed to bolster up a factitious pride.” — Compton Reade.