Emily Dickinson Lexicon

BOB, n.

1. Any little round thing, that plays loosely at the end of a string, cord, or movable machine; a little ornament or pendant that hangs so as to play loosely. – Dryden. Our common people apply the word to a knot of worms, on a string, used in fishing for eels.
2. The words repeated at the end of a stanza. – L'Estrange.
3. A blow; a shake or jog; a jeer or flout. – Ainsworth. Ascham.
4. The ball of a short pendulum. – Encyc.
5. A mode of ringing. – Johnson.
6. A bob-wig. – Shenstone.