1. To cause to move in a short, jerking manner; to move (a thing) with a bob. "He bobbed his head." W. Irving.
2. To strike with a quick, light blow; to tap. If any man happened by long sitting to sleep . . . he was suddenly bobbed on the face by the servants. Elyot.
3. To cheat; to gain by fraud or cheating; to filch. Gold and jewels that I bobbed from him. Shak.
4. To mock or delude; to cheat. To play her pranks, and bob the fool, The shrewish wife began. Turbervile.
5. To cut short; as, to bob the hair, or a horse's tail.
BOB
Bob, v. i.
1. To have a short, jerking motion; to play to and fro, or up and down; to play loosely against anything. "Bobbing and courtesying." Thackeray.
2. To angle with a bob. See Bob, n., 2 & 3. He ne'er had learned the art to bob For anything but eels. Saxe. To bob at an apple, cherry, etc. to attempt to bite or seize with the mouth an apple, cherry, or other round fruit, while it is swinging from a string or floating in a tug of water.
BOBAC
Bo"bac, n. (Zoöl.)
Defn: The Poland marmot (Arctomys bobac).