What does "chuck" mean?

Additional senses

1. 2.To call, as a hen her chickens. Dryden.
2. 3.The chuck or call of a hen.
3. 4.A sudden, small noise.
4. 5.A word of endearment; -- corrupted from chick. "Pray, chuck, come hither." Shak.
5. 6.To strike gently; to give a gentle blow to. Chucked the barmaid under the chin. W. Irving.
6. 7.To toss or throw smartly out of the hand; to pitch. [Colloq.] "Mahomet Ali will just be chucked into the Nile." Lord Palmerson.
7. 8.(Mech.) To place in a chuck, or hold by means of a chuck, as in turning; to bore or turn (a hole) in a revolving piece held in a chuck.
8. 9.A slight blow or pat under the chin.
9. 10.A short throw; a toss.
10. 11.(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 silder and an eccentric circle, which, as the work turns round, give it a sliding motion across the center which generates an ellipse. Knight.
11. 12.A small pebble; -- called also chuckstone and chuckiestone. [Scot.]
12. 13.pl. A game played with chucks, in which one or more are tossed up and caught; jackstones. [Scot.]
13. 14.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.]