Move round the dark terrestrial ball.
Addison.
Ball and socket 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 blank cartridge, containing only powder. -- Ball cock, a faucet or valve which is opened or closed by the fall or rise of a ball floating in water at the end of a lever. -- Ball gudgeon, a pivot of a spherical form, which permits lateral deflection of the arbor or shaft, while retaining the pivot in its socket. Knight. -- Ball lever, the lever used in a ball cock. -- Ball of the eye, the eye itself, as distinguished from its lids and socket; -- formerly, the pupil of the eye. -- Ball valve (Mach.), a contrivance by which a ball, placed in a circular cup with a hole in its bottom, operates as a valve. -- Ball vein (Mining), a sort of iron ore, found in loose masses of a globular form, containing sparkling particles. -- Three balls, or Three golden balls, a pawnbroker's sign or shop.
Syn. -- See Globe.
Ball, v. i. [imp. & p. p. Balled (bld); p. pr. & vb. n. Balling.] To gather balls which cling to the feet, as of damp snow or clay; to gather into balls; as, the horse balls; the snow balls.
Ball, v. t. 1. (Metal.) To heat in a furnace and form into balls for rolling.