Dictionary definition · rub
noun
- an unforeseen obstacle
- the act of rubbing or wiping"he gave the hood a quick rub"
verb
- move over something with pressure"rub my hands"
- cause friction"my sweater scratches"
- scrape or rub as if to relieve itching"Don't scratch your insect bites!"
Source: Open English WordNet (CC BY 4.0).