stud (Noun) — A man who is virile and sexually active.
stud (Noun) — Ornament consisting of a circular rounded protuberance (as on a vault, shield or belt).
stud (Noun) — An upright in house framing.
stud (Noun) — Adult male horse kept for breeding.
stud (Noun) — Poker in which each player receives hole cards and the remainder are dealt face up; bets are placed after each card is dealt.
stud (Verb) — Scatter or intersperse like dots or studs. ex. "Hills studded with lights"
stud (Verb) — (carpentry) provide with or construct with studs. ex. "stud the wall"