bib /bɪb/ BrE AmE noun [countable]
[ Date: 1500-1600 ; Origin: Probably from bib 'to drink' (14-20 centuries) , perhaps from Latin bibere ; ⇨ ↑ bibulous ]
1 . a piece of cloth or plastic tied under a baby’s chin to protect its clothes when it is eating
2 . the part of an ↑ apron , ↑ dungarees , or ↑ overall s that covers your chest
3 . your best bib and tucker your best clothes – used humorously