1. A contorted knot in wood; a cross-grained protuberance; a nodule; a boss or projection
   - knurl 
2. A knot in wood; a protuberance
   - knag

Derived forms: knurs

• floatage
• floatation
• floater
• floating
• floating bridge
• floating dock
• floating dry dock
• floating fern
• floating mine
• floating policy
• floating voter
• floating-moss
• floating-point
• floating-point notation
• floating-point number
• floating-point operation
• floating-point representation system
• floatplane
• floaty
• floc
• floccinaucinihilipilification
• floccose
• floccose chanterelle
• flocculate
• flocculation