operate,Iv.i.1Oibríonn, feidhmíonn. 2St.Exch: To operate for a rise, for a fall, oibriú ar éirí, ar thitim, an mhargaidh. 3To operate on s.o., duine a chur faoi scian; obráid a dhéanamh ar dhuine. He was operated on for cancer, gearradh ailse de. IIv.tr.1Oibrím (gnó, etc.); cuirim (leigheas, athrú, etc.) i gcrích. 2a(Esp. U.S) (Of pers.) Oibrím, cuirim (inneall) ag obair. b(Of part of machine) To operate another part, páirt eile a oibriú. It is operated by electricity, le leictreachas a oibríonn sé.