1. discontinue a session of (a parliament or other legislative assembly) without dissolving it: "James prorogued Parliament in 1685 and ruled without it"
▪ (of a legislative assembly) be discontinued without being dissolved:"the House was all set to prorogue"
Word Originlate Middle English: from Old French proroger, from Latin prorogare ‘prolong, extend’, from pro- ‘in front of, publicly’ + rogare ‘ask’.