'Branchiostegal' definitions:
Definition of 'Branchiostegal'
From: GCIDE
- Branchiostegal \Bran`chi*os"te*gal\, a. [Gr. ? gill + ? to cover: cf. F. branchiost[`e]ge.] (Anat.) Pertaining to the membrane covering the gills of fishes. -- n. (Anat.) A branchiostegal ray. See Illustration of Branchial arches in Appendix. [1913 Webster]
- Note: This term was formerly applied to a group of fishes having boneless branchi[ae]. But the arrangement was artificial, and has been rejected. [1913 Webster]