The Collaborative International Dictionary
Pseudobranchial
Pseudobranchia \Pseu`do*bran"chi*a\, n.; pl. Pseudobranchi[ae]. [NL. See Pseudo-, and Branchia.] (Anat.) A rudimentary branchia, or gill. -- Pseu`do*bran"chi*al, a.
Wiktionary
pseudobranchial
a. Of or pertaining to the pseudobranchia