1. backwing - Noun
2. backwing - Verb
backwing (third-person singular simple present backwings, present participle backwinging, simple past and past participle backwinged)
To flap the wings in such a way as to push air forward, thereby slowing forward momentum.
Wayang puppet with gilded backwing
An act of backwinging.
One of the posterior pair of wings on an insect.
The back portion of a bird's wing.
A wing-like projection on the upper back of some a Wayang puppets.
The flap of a dust jacket that folds around the back cover of a book.
A wing at the rear of a building.
Source: en.wiktionary.org