3. (Mach.) A contrivance or machine fixed to the mandrel of a lathe, for holding a tool or the material to be operated upon.
Chuck farthing, a play in which a farthing is pitched into a hole; pitch farthing. -- Chuck hole, a deep hole in a wagon rut. -- Elliptic chuck, a chuck having a slider and an eccentric circle, which, as the work turns round, give it a sliding motion across the center which generates an ellipse. Knight.
Chuck (chŭk), n. 1. A small pebble; -- called also chuckstone and chuckiestone. [Scot.]
2. pl. A game played with chucks, in which one or more are tossed up and caught; jackstones. [Scot.]
Chuck, n. A piece of the backbone of an animal, from between the neck and the collar bone, with the adjoining parts, cut for cooking; as, a chuck steak; a chuck roast. [Colloq.]
Chuc"kle (?), v. t. [imp. & p. p. Chuckled (?); p. pr. & vb. n. Chuckling (?).] [From 1st Chuck.]