hummer Meaning, Definition & Usage

  1. noun a singer who produces a tune without opening the lips or forming words
  2. noun (baseball) a pitch thrown with maximum velocity
    heater; fastball; smoke; bullet.
    • he swung late on the fastball
    • he showed batters nothing but smoke

WordNet


Hum"mer noun
Definitions
  1. One who, or that which, hums; one who applauds by humming. Ainsworth.
  2. (Zoöl.) A humming bird.

Webster 1913