Definition of "epibranchial" in English

adjective

1. (zoology, fish anatomy, embryology) Of or pertaining to a segment, below (more ventral than) the pharyngobranchial segment and above (more dorsal than) the ceratobranchial segment, on either side of a branchial arch (in a fish) or of a pharyngeal arch (in the embryo of a vertebrate).

   • 1920, Transactions of the Royal Society of South Africa, Volumes 8-9, Royal Society of South Africa, page 92, According to T. J. Parker, they probably represent the epibranchial region of the second branchial arch, and Beddard also refers them to the same arch.

noun

1. (zoology, fish anatomy) An epibranchial cartilage or bone.