• synonyms

wing formula

See more synonyms for wing formula on Thesaurus.com
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.
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Origin of wing formula

First recorded in 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018