Branchiostegal
Pronunciation : Bran`chi*os"te*gal
Part of Speech : a.
Etymology : [Gr. branchiost?ge.] (Anat.)
Definition : Defn: Pertaining to the membrane covering the gills of fishes. -- n. (Anat.)
Defn: A branchiostegal ray. See Illustration of Branchial arches in Appendix.
Note: This term was formerly applied to a group of fishes having boneless branchi?. But the arrangement was artificial, and has been rejected.
Source : Webster's Unabridged Dictionary, 1913