Bib \Bib\, n. [From {Bib}, v., because the bib receives the drink that the child slavers from the mouth.] 1. A small piece of cloth worn by children over the breast, to protect the clothes. 2. (Zo["o]l.) An arctic fish ({Gadus luscus}), allied to the cod; -- called also {pout} and {whiting pout}. 3. A bibcock.