Part of speech: Noun
the act of rubbing or wiping
Example: he gave the hood a quick rub
Part of speech: Noun
an unforeseen obstacle
Part of speech: Verb
move over something with pressure
Example: rub my hands; rub oil into her skin
Part of speech: Verb
cause friction
Example: my sweater scratches
Part of speech: Verb
scrape or rub as if to relieve itching
Example: Don't scratch your insect bites!