1 adjective prevailingceannasach adj1 c m uthe dominant theme of the workshopmórthéama na ceardlainneneither team is dominantníl an lámh in uachtar ag ceachtar den dá fhoireannthe dominant political partyan páirtí polaitíochta atá i dtreis2 adjective BIOL, ECOL, GENET of species, geneceannasach adj1 c m udominant speciesspeiceas ceannasach3 noun BIOL, ECOL, GENET species, geneceannasach masc1 c m u4 noun MUS musical noteceannasach masc1 c m u