What is the meaning of discard?

noun

• Anything that is cast aside or discarded.
• Cards) the act of throwing out a useless card or of failing to follow suit. (
• Getting rid something that is regarded as useless or undesirable.
  • synonyms: throwing away

verb

• Throw or cast away.
  • usage: "Put away your worries"
  • synonyms: fling, toss, toss out, toss away, chuck out, cast aside, dispose, throw out, cast out, throw away, cast away, put away