- cock, prick, dick, shaft, pecker, peter, tool, putz - obscene terms for penis
--1 is a kind of penis, phallus, member
- woodpecker, peckerwood, pecker - bird with strong claws and a stiff tail adapted for climbing and a hard chisel-like bill for boring into wood for insects
--2 is a kind of piciform bird
--2 is a member of Picidae, family Picidae
--2 has particulars: - beak, bill, neb, nib, pecker - horny projecting mouth of a bird
--3 is a kind of mouth
--3 is a part of birdDerived forms: verb peck1, verb peck2