What does "bib" mean?

Bib: (Zoöl.) An arctic fish (Gadus luscus), allied to the cod; -- called also pout and whiting pout.

Additional senses

  1. 2.A bibcock.
  2. 3.To drink; to tipple. [Obs.] This miller hath . . . bibbed ale. Chaucer.
  3. 4.To drink; to sip; to tipple. He was constantly bibbing. Locke.

Sources