noun
ADJECTIVE
▪ bare
▪ bleeding , bloodied , bruised , swollen
▪ white
▪
She clenched the phone till her ~s were white.
▪ brass
VERB + KNUCKLE
▪ crack
▪
He rubbed his hands together, cracking his ~s as he tried to control his anger.
▪ bruise , graze , scrape
KNUCKLE + NOUN
▪ bone (usually knucklebone in AmE )
PHRASES
▪ rap sb on the ~s , rap sb over the ~s ( both figurative )
▪
She was rapped over the ~s by her boss for criticizing the company in the press.