hummer

Definitions of hummer
  1. noun
    a singer who produces a tune without opening the lips or forming words
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    type of:
    singer, vocaliser, vocalist, vocalizer
    a person who sings
  2. noun
    (baseball) a pitch thrown with maximum velocity
    synonyms: bullet, fastball, heater, smoke
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    types:
    slider
    a fastball that curves slightly away from the side from which it was thrown
    type of:
    delivery, pitch
    (baseball) the act of throwing a baseball by a pitcher to a batter
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