duo 3noundomain: groupPrinceton WordNet [ver.3.1]EnglishDefinitiona pair who associate with one anotherReport errorPath to highest hypernymMorphologySynset graphExamples1.the engaged couple2.an inseparable twosomeSynonymscouple 1a pair who associate with one anothertwosome 2a pair who associate with one anotherduet 3a pair who associate with one another