butt knuckle
noun
: a projection shaped like a knuckle usually of metal and designed to receive pressure (as from a window pole)
Word History
Etymology
butt entry 2
- catherine of bra
- Catherine of Braganza
- Catherine wheel
- Catherine, Mount
- catherines
- catheter
- catheterisation
- catheterisations
- catheterise
- catheterised
- catheterises
- catheterising
- catheterization
- catheterizations
- catheterize
- catheterized
- catheterizes
- catheterizing
- catheters
- cathetometer
- cathetometers
- cathetometric
- cathetuses
- cathexes
- cathexis