Definition of prairie pigeon in US English:

prairie pigeon

noun

US
  • Any of various birds that occur on the prairies in large flocks which resemble those of pigeons, especially the extinct passenger pigeon; specifically (a) the upland sandpiper, Bartramia longicauda; (b) the American golden plover, Pluvialis dominica; (c) Franklin's gull, Larus pipixcan; compare prairie dove; (d) now historical the Eskimo curlew, Numenius borealis.

Origin

Late 19th century; earliest use found in Elliott Coues (1842–1889), naturalist and historian. From prairie + pigeon.

Pronunciation

prairie pigeon

/ˈprɛːri ˌpɪdʒ(ɪ)n/