quadruplet kwah-DROO-plit Your browser does not support the audio element. [ English ] Definition A group of four notes of equal duration that are to be performed in the time space of three, five, or another number of notes. See Also [English] triplet [English] duplet Share Share on Facebook (opens in a new tab) Share on X (opens in a new tab) Last Updated: 2016-05-20 17:58:05