1. A wooden peg that is used to fasten timbers in shipbuilding; water causes the peg to swell and hold the timbers fast
   - treenail, trunnel

Derived forms: trenails

Type of: nog, peg

• uncovering
• uncrannied
• uncrate
• uncreased
• uncreative
• uncreativeness
• uncritical
• uncritically
• uncropped
• uncross
• uncrossed
• uncrowded
• uncrowned
• uncrystallised
• uncrystallized
• unction
• unctuous
• unctuously
• unctuousness
• uncultivable
• uncultivatable
• uncultivated
• uncultured
• uncurbed
• uncured