Noun: bird of passage
- Any bird that migrates seasonally
"Swallows are well-known birds of passage, travelling long distances between breeding and wintering grounds"
- Someone who leads a wandering unsettled life
"The bird of passage had no fixed address and travelled from town to town";
- wanderer, roamer, rover
Derived forms: birds of passage
Type of: bird, birdie [informal], traveler [US], traveller [Brit, Cdn]
Encyclopedia: Bird of passage