D defs.my
Entry 2 senses Webster, 1913

Perennibranchiate

· Per·en·ni·bran·chi·ate · IPA
01 a. Having branchæ, or gills, through life; -- said especially of certain Amphibia, like the menobranchus. Opposed to caducibranchiate.
  1. 1.
    Having branchæ, or gills, through life; -- said especially of certain Amphibia, like the menobranchus. Opposed to caducibranchiate.(Anat.)
  2. 2.
    Belonging to the Perennibranchiata.(Zool.)