The Collaborative International Dictionary of English v.0.48:
gilled \gilled\ adj. Having gills; as, a gilled tadpole. Opposite of abranchiate. Syn: branchiate. [WordNet 1.5]WordNet (r) 3.0 (2006):
gilled adj 1: provided with gills; "a gilled tadpole" [syn: branchiate, gilled] [ant: abranchial, abranchiate, abranchious, gill-less]