1. A singer who produces a tune without opening the lips or forming words 
2. (baseball) a pitch thrown with maximum velocity
   - fastball, heater, smoke, bullet

Derived forms: hummers

See also: hum

Type of: delivery, pitch, singer, vocaliser [Brit], vocalist, vocalizer

Encyclopedia: Hummer

• study hall
• studying
• stuff
• stuff and nonsense
• stuff shot
• stuffed
• stuffed cabbage
• stuffed derma
• stuffed egg
• stuffed grape leaves
• stuffed mushroom
• stuffed peppers
• stuffed shirt
• stuffed tomato
• stuffer
• stuffily
• stuffiness
• stuffing
• stuffing box
• stuffing nut
• stuffy
• stull
• stultification
• stultify
• stum