nounAinmfhocal1group of three thingstrí cinncmutriúrmasc1cmuit's a triad of problemstá trí cinn d'fhadhbanna i gceist2musicceolthree-note chordtríchordamasc43literaturelitríochtliterary formtrémasc4cmu4criminal organisation, member thereoftriadmasc1cmu