OK, you know in the movies and stuff when a big flying beast is about to land and it changes how it's flapping it's wings from a down-and-up pattern to a sort of back and forth motion? Like here in this video at the 0:44-46 second mark. Am I just making this up, or is "The dragon backwinged to a landing" a legit thing I can use in my writing? Google Docs keeps telling me "backwinged" isn't a word. I'm just concerned that maybe some other author coined it and I don't want to get in trouble for using it.