Snub \Snub\, n. 1. A knot; a protuberance; a song. [Obs.] [A club] with ragged snubs and knotty grain. --Spenser. 2. A check or rebuke; an intended slight. --J. Foster. {Snub nose}, a short or flat nose. {Snub post}, or {Snubbing post} (Naut.), a post on a dock or shore, around which a rope is thrown to check the motion of a vessel.