pinnula
noun
pin·nu·la
ˈpinyələ
plural pinnulae
-ˌlē,
-ˌlī
1
: pinnule sense 2
2
: a barb of a feather
pinnular adjective
-lə(r)
Word History
Etymology
New Latin, from Latin, small feather, small fin, from pinna feather, wing, fin, alteration of penna feather, wing