cease work or movement in order to relax, sleep, or recover strength

he needed to rest after the feverish activity

I'm going to rest up before travelling to England

be placed or supported so as to stay in a specified position

her elbow was resting on the arm of the sofa

be based on; depend on

the country's security rested on its alliances

conclude presentation of either party's case in a suit or prosecution

the prosecution rests

remain or be left in a specified condition

you can rest assured she will do everything she can