The Collaborative International Dictionary of English v.0.48:
Branchiate \Bran"chi*ate\, a. (Anat.) Furnished with branchi[ae]; as, branchiate segments. [1913 Webster]WordNet (r) 3.0 (2006):
branchiate adj 1: provided with gills; "a gilled tadpole" [syn: branchiate, gilled] [ant: abranchial, abranchiate, abranchious, gill-less]