stud

a man who is virile and sexually active

ornament consisting of a circular rounded protuberance (as on a vault or shield or belt)

an upright in house framing

adult male horse kept for breeding

poker in which each player receives hole cards and the remainder are dealt face up; bets are placed after each card is dealt

scatter or intersperse like dots or studs; "Hills constellated with lights"

provide with or construct with studs; "stud the wall"