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
- quantum state
- quantum sufficit
- quantum theory
- quantum unit of spin
- quantum yield
- quantum-equivalence law
- quantumer
- quantumest
- quantummer
- quantummest
- Quanzhou
- Quaoar
- Quapaw
- quapaws
- quaquaversal
- quaquaversally
- quar
- quarantain
- quarantine
- quarantine period
- quarantined
- quarantiner
- quarantines
- quarantining
- quaranty