ETYM Old Eng. bek, French bec, from Celtic; cf. Gael. and Irish bac, bacc, hook, W. bach.
1. Horny projecting jaws of a bird; SYN. bill, neb, nib.
2. Beaklike mouth of e.g. turtles.
3. (US) Informal terms for the nose; SYN. honker, hooter, nozzle, snoot, snout, schnozzle.
Horn-covered projecting jaws of a bird, or other horny jaws such as those of the tortoise or octopus. The beaks of birds are adapted by shape and size to specific diets.