propatagial
/ˌprəʊpəˈteɪdʒɪəl/ /ˌprəʊpatəˈdʒʌɪəl/Zoology
adjective
Of or relating to a propatagium; especially designating or relating to certain muscles and tendons in the front edge of the wing or gliding membrane.
Origin
Late 19th century; earliest use found in Science. From propatagium + -al, after scientific Latin propatagialis (M. Fürbringer, 1885 or earlier).