The Collaborative International Dictionary
Chuck hole
Chuck \Chuck\, n.
A slight blow or pat under the chin.
A short throw; a toss.
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(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.