chuck3 Syllabification: (chuck)Pronunciation: /CHək/Translate chuck | into French | into German | into Italian | into Spanish Definition of chuck noun 1a device for holding a workpiece in a lathe or a tool in a drill, typically having three or four jaws that move radially in and out. 2a cut of beef that extends from the neck to the ribs, typically used for stewing. Origin: late 17th century, as a variant of chock; see also chunk1chuck in other Oxford dictionaries Definition of chuck in the British & World English dictionary