Goat

1. Any of various hollow-horned, bearded ruminant mammals of the genus Capra, originally of mountainous regions of the Old World, especially any of the domesticated forms of C. hircus, raised for wool, milk, and meat. Goats can be good source of milk and meat.
2. A scapegoat. The was the goat of all their tricks.
3. A lecherous man. The old goat stared at all the girls on the beach.