Definition of "tennis-ball" [tennis-ball]

• The ball used in tennis or lawn-tennis. (noun)

The Century Dictionary (Public Domain)

• "Kids love ghost pumpkins like the tennis-ball sized white 'Baby Boo', whose pallor in the garden is startling."
• "The Australian enforcer Mitchell Johnson bordered on mediocre, however, short of pace on a slow surface with only tennis-ball bounce."
• "There are times when Democrats remind me of the episode of Seinfeld where, after a slapstick chain of mishaps, Kramer finds himself pinned against the wall like a soldier about to be executed as a tennis-ball machine bops one ball after another off of his head, until he groggily collapses and slides out of frame."