remigial
/riːˈmɪdʒiəl, riːˈmɪdʒil/Definitions
1. adjective
relating to or resembling a remige (a feather or a feather-like structure, especially one that supports the wing of a bird)
“The remigial structure in the new aircraft design improved its aerodynamics significantly.”
2. noun
a remige or a feather-like structure
“The biologist studied the remigial features of the penguin’s wings.”