The Collaborative International Dictionary of English v.0.48:

Snub \Snub\, n.
   1. A knot; a protuberance; a song. [Obs.]
      [1913 Webster]

            [A club] with ragged snubs and knotty grain.
                                                  --Spenser.
      [1913 Webster]

   2. A check or rebuke; an intended slight.      --J. Foster.
      [1913 Webster]

   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.
      [1913 Webster]