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
- hypocleidium
- hypocoracoid
- hypocorism
- hypocorisms
- hypocoristic
- hypocoristical
- hypocoristically
- hypocotyl
- hypocotyl arch
- hypocotyledonary
- hypocotyls
- Hypocreaceae
- hypocreaceaes
- Hypocreales
- hypocrealeses
- hypocrealesses
- hypocrise
- hypocrisies
- hypocrisy
- hypocrital
- hypocrite
- hypocrite plant
- hypocrites
- hypocritical
- hypocritically