Chuck

Chuck Chuck, n. 1. A slight blow or pat under the chin. [1913 Webster]

2. A short throw; a toss. [1913 Webster]

3. (Mach.) A contrivance or machine fixed to the mandrel of a lathe, for holding a tool or the material to be operated upon. [1913 Webster]

{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. [1913 Webster]