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The remaining part of something after a portion has been used or removed
The rest of the cake was eaten by the children.
After the adults had their share, the children finished the remaining cake.
Commonly used with 'the' to refer to what remains.
A period of relaxation or sleep to recover from exertion
He needs to get some rest after the long journey.
He should sleep or relax to recover from the tiring trip.
Often used as 'take a rest' or 'get some rest'.
To cease activity and relax
The workers rested for a few minutes before continuing.
The workers stopped working to relax briefly.
Can be used transitively (e.g., 'rest your eyes') or intransitively.
'Rest' can be a noun (e.g., 'take a rest') or a verb (e.g., 'rest your eyes').
'Rest' is often used with 'the' to refer to the remaining part of something (e.g., 'the rest of the day').
From Middle English 'reste', from Old French 'reste', from Latin 'restare' (to remain).
As a noun, 'rest' can refer to the remaining part of something or a period of relaxation. As a verb, it means to stop activity and relax.