BALL n.
t joint, a joint in which a ball moves within a socket, so as to admit of motion in every direction within certain limits. -- Ball bearings, a mechanical device for lessening the friction of axle bearings by means of small loose metal balls. -- Ball cartridge, a cartridge containing a ball, as distinguished from a bl…
BEAT n.
rticular purposes, as to regulate a march, to call soldiers to their arms or quarters, to direct an attack, or retreat, etc. -- Beat of a watch, or clock, the stroke or sound made by the action of the escapement. A clock is in beat or out of beat, according as the strokes is at equal or unequal intervals.…