Knothole

ahd-5
  • noun. A hole in a piece of lumber where a knot has dropped out or been removed.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. In a piece of lumber, a knothole is a void left by a knot in the wood; such holes are often convenient for peering through when they occur in fences.
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. a hole in a board where a knot came out
  • Word Usage
    "The knothole is a draw even to tourists with no affinity for baseball."