What is the meaning of riposte?

noun

• A quick reply to a question or remark (especially a witty or critical one. )
  • usage: "it brought a sharp rejoinder from the teacher"
  • synonyms: rejoinder, retort, return, replication, comeback, counter
• Fencing) a counterattack made immediately after successfully parrying the opponents lunge. (

verb

• Make a return thrust.
  • usage: "his opponent riposted"
• Answer back.
  • synonyms: retort, come back, repay, return, rejoin