wing formula

noun

, Ornithology.

1. a numerical representation of the relative lengths of the primary feathers of a bird's wing, used in identifying similar species, as flycatchers.

Word History and Origins

Origin of wing formula¹

First recorded in 1935–40

Example Sentences

Page last updated at Cars may look more like this 1998 McLaren, with a lower nose and smaller rear wing Formula 1 teams have agreed to abandon plans to make radical changes to cars for the 2013 season.

From BBC