\Per*en`ni*bran"chi*ate\, a. [See {Perennial},
and {Branchiate}.]
1. (Anat.) Having branch[ae], or gills, through life; -- said
   especially of certain Amphibia, like the menobranchus.
   Opposed to caducibranchiate.
2. (Zo["o]l.) Belonging to the Perennibranchiata.