SINCE 1828
underwing
noun
un·der·wing
| \ ˈən-dər-ˌwiŋ
\
\
Definition of underwing
(Entry 1 of 2)
1
: one of the posterior wings of an insect
2
: any of various noctuid moths (especially genus Catocala) that have the hind wings banded with contrasting colors (such as red and black)
— called also underwing moth
3
: the underside of a bird's wing
underwing
adjectiveDefinition of underwing (Entry 2 of 2)
: placed or growing underneath the wing
underwing rockets
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