Definitions of roller
  1. noun
    a mechanical device consisting of a cylindrical tube around which the hair is wound to curl it
    synonyms: crimper, curler, hair curler
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    type of:
    mechanical device
    mechanism consisting of a device that works on mechanical principles
  2. noun
    a cylinder that revolves
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    garden roller
    heavy cast-iron cylinder used to flatten lawns
    paint roller
    a roller that has an absorbent surface used for spreading paint
    the roller on a typewriter against which the keys strike
    roller that has teeth on the rims to pull film or paper through
    small wheel or roller
    type of:
    a solid bounded by a cylindrical surface and two parallel planes (the bases)
  3. noun
    a small wheel without spokes (as on a roller skate)
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    caster, castor
    a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable
    type of:
    a simple machine consisting of a circular frame with spokes (or a solid disc) that can rotate on a shaft or axle (as in vehicles or other machines)
  4. noun
    a grounder that rolls along the infield
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    type of:
    ground ball, groundball, grounder, hopper
    (baseball) a hit that travels along the ground
  5. noun
    Old World bird that tumbles or rolls in flight; related to kingfishers
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    Coracias garrulus, European roller
    common European blue-and-green roller with a reddish-brown back
    ground roller
    Madagascan roller with terrestrial and crepuscular habits that feeds on e.g. insects and worms
    type of:
    coraciiform bird
    chiefly short-legged arboreal nonpasserine birds that nest in holes
  6. noun
    pigeon that executes backward somersaults in flight or on the ground
    synonyms: tumbler, tumbler pigeon
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    type of:
    domestic pigeon
    domesticated pigeon raised for sport or food
  7. noun
    a long heavy sea wave as it advances towards the shore
    synonyms: roll, rolling wave
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    type of:
    moving ridge, wave
    one of a series of ridges that moves across the surface of a liquid (especially across a large body of water)
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