rejoinder

 
Pronunciation: /rɪˈdʒɔɪndə/

noun

  • a reply, especially a sharp or witty one: she would have made some cutting rejoinder but none came to mind
  • Law, dated a defendant’s answer to the plaintiff’s reply or replication.

Origin:

late Middle English: from Anglo-Norman French rejoindre (infinitive used as a noun) (see rejoin2)