I. |braŋkē|ästə̇gəl adjective
Etymology: International Scientific Vocabulary branchi- + steg- + -al
: of or relating to the branchiostegals
the branchiostegal membrane
II. noun
or branchiostegal ray
( -s )
: one of the bony radiating processes of the hyoid arch that support the membranes enclosing the gill chamber in most fishes