a route between breeding and wintering areas taken by concentrations of migrating birds.

Origin of flyway

First recorded in 1890–95; fly1 + way1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for flyway

Historical Examples of flyway

Word Origin and History for flyway

1891, originally of bird migration paths, from fly (v.1) + way (n.).

Online Etymology Dictionary, © 2010 Douglas Harper