rig·a·doon \|rigə|dün\noun orri·gau·don\rēgȯdōⁿ\ (pluralrigadoons \-ünz\ ; orrigaudons \-ōⁿ\) Etymology: French rigaudon, rigodon, perhaps from the name Rigaud 1.: a lively dance performed with a jumping step and popular in the 17th and 18th centuries 2.: the music for the rigadoon usually in spirited duple or quadruple time