a foot having the form of a bird’s claw grasping a ball.
He used the ball-and-claw foot with the cabriole leg: this was succeeded by the straight leg.
The Old Furniture Book N. Hudson Moore
- Ball and ring
a simplified bead-and-reel turning, used especially in English and American furniture of the 17th century.
- Ball-and-socket joint
Also called enarthrosis. Anatomy, Zoology. a joint in which the rounded end of one bone fits into a cuplike end of the other bone, allowing for relatively free rotary motion, as at the hip or shoulder. Also called ball joint. a similar joint between rods, links, pipes, etc., consisting of a ball-like termination on one […]
- Ball bearing
a bearing consisting of a number of hard balls running in grooves in the surfaces of two concentric rings, one of which is mounted on a rotating or oscillating shaft or the like. any of the balls so used. Historical Examples So that they cannot be injured by waste oil from the ball bearing, or […]
- Ball boy
Tennis. an attendant, usually a boy or young man, employed to retrieve balls and supply players with them. Baseball. an attendant, usually a boy or young man, who retrieves foul balls and brings the umpire new balls during the game. noun (in sport, esp tennis) a person who retrieves balls that go out of play