nounAinmfhocal1mathematicsmatamaiticpolygontriantánmasc1cmuin the shape of a trianglei gcruth triantáinequilateral triangletriantán comhshleasach2area, shape, objecttriantánmasc1cmua small triangle of landtriantán beag talúncheese trianglestriantáin cháisewarning triangletriantán rabhaidh, triantán guaise3relationshiptriantánmasc1cmucaidreamh triúirhe was involved in a romantic trianglebhí sé gafa le triantán rómánsúil4musicceolinstrumenttriantánmasc1cmu5sportspórtin snooker, pooltriantánmasc1cmu6 (USSAM)drawing aidtriantánmasc1cmu