1 noun especially PHYSsúchán masc1 c m usú masc c m uthe gas is extracted by suctionsúitear an gás amachsuction hosepíobán súite2 verb remove by suction TRANSITIVEsúigh verb c m uthe blood is suctioned outsúitear an fhuil amach3 verb especially MED clear airways TRANSITIVEto suction sbaerphasáiste duine a ghlanadh