What is Pecking?

Pecking definition and meaning on Dictionary terms:
verb (used with object)
to strike or indent with the beak, as a bird does, or with some pointed instrument, especially with quick, repeated movements.
to make (a hole, puncture, etc.) by such strokes; pierce.

to take (food) bit by bit, with or as with the beak.

verb (used without object)
to make strokes with the beak or a pointed instrument.

a quick stroke, as in pecking.
a hole or mark made by or as by pecking.
a quick, almost impersonal kiss: a peck on the cheek.

(in timber) incipient decay from fungi, occurring in isolated spots.
pecks. Also peck