The woodpecker used its pecker to tap on the tree trunk.
A colloquial term for the human penis. He made a joke about getting his pecker caught in his zipper.
A person who pecks or picks at something. The pecker at the party kept picking at the food without taking a full serving.
Courage or spirits; confidence (chiefly British informal, esp. in the phrase “keep one’s pecker up”). Try to keep your pecker up; things will improve soon.