noun

• (uncountable, of a person or animal) Relief from work or activity by sleeping; sleep.
  "I need to get a good rest tonight; I was up late last night."
• (countable) Any relief from exertion; a state of quiet and relaxation.
  "We took a rest at the top of the hill to get our breath back."
• (uncountable) Peace; freedom from worry, anxiety, annoyances; tranquility.
  "It was nice to have a rest from the phone ringing when I unplugged it for a while."
• (uncountable, of an object or concept) A state of inactivity; a state of little or no motion; a state of completion.
  "The boulder came to rest just behind the house after rolling down the mountain."

verb

• (intransitive) To cease from action, motion, work, or performance of any kind; stop; desist; be without motion.
  "My day's work is over; now I will rest."
• (intransitive) To come to a pause or an end; end.
• (intransitive) To be free from that which harasses or disturbs; be quiet or still; be undisturbed.
  "There rest, if any rest can harbour there."
• (transitive, reflexive, copulative) To put into a state of rest.
  "We need to rest the horses before we ride any further."

noun

• (uncountable) That which remains.
  "She ate some of the food, but was not hungry enough to eat it all, so she put the rest in the refrigerator to finish later."
• (UK, finance) A surplus held as a reserved fund by a bank to equalize its dividends, etc.; in the Bank of England, the balance of assets above liabilities.

verb

• (no object, with complement) To continue to be, remain, be left in a certain way.
  "You can rest assured that a sick child will say when it's again ready to eat, so it won't starve and doesn't need to be cajoled into eating."
• (transitive, obsolete) To keep a certain way.
  "God rest you merry, gentlemen."