›[I or T]When a bird pecks, it bites, hits, or picks up something small with its beak: The birds learn to peck holes in the milk bottle tops.Geese were pecking around for food.Chickens pecked at the seeds which covered the ground.Animal (non-human) behaviourBiting, chewing and swallowingEating›[T]to give someone a quick kiss, especially on the side of the face: He pecked his aunt on the cheek.Showing affectionTouching and feeling