bib

Concise Oxford English Dictionary © 2008 Oxford University Press:
bib1

▶noun

• 1 a piece of cloth or plastic fastened round a child's neck to keep its clothes clean while eating.

  ■ a loose-fitting sleeveless garment worn for identification, e.g. by competitors and officials at sports events.

  ■ the part above the waist of the front of an apron or pair of dungarees.

• 2 a common European inshore fish of the cod family. [Trisopterus luscus.]

– phrases
one's best bib and tucker informal one's smartest clothes.
stick (or poke) one's bib in Austral. informal interfere.

– origin C16: prob. from bib2.

Concise Oxford English Dictionary © 2008 Oxford University Press:
bib2

▶verb (bibs, bibbing, bibbed) archaic drink (an alcoholic drink).

– derivatives
bibber noun.

– origin ME: prob. from L. bibere ‘to drink’.