1. Removing regularly or occasionally from one region or climate to another; as, migratory birds.
2. Hence, roving; wandering; nomad; as, migratory habits; a migratory life.
Migratory locust Zool. See Locust.
Migratory thrush Zool., the American robin. See Robin.
Rob·in n. Zool. (a) A small European singing bird (Erythacus rubecula), having a reddish breast; -- called also robin redbreast, robinet, and ruddock. (b) An American singing bird (Merula migratoria), having the breast chestnut, or dull red. The upper parts are olive-gray, the head and tail blackish. Called also robin redbreast, and migratory thrush. (c) Any one of several species of Australian warblers of the genera Petroica, Melanadrays, and allied genera; as, the scarlet-breasted robin (Petroica mullticolor). (d) Any one of several Asiatic birds; as, the Indian robins. See Indian robin, below.
Beach robin Zool., the robin snipe, or knot. See Knot.
Blue-throated robin. Zool. See Bluethroat.
Canada robin Zool., the cedar bird.
Golden robin Zool., the Baltimore oriole.
Ground robin Zool., the chewink.
Indian robin Zool., any one of several species of Asiatic saxoline birds of the genera Thamnobia and Pratincola. They are mostly black, usually with some white on the wings.
Magrie robin Zool., an Asiatic singing bird (Corsycus saularis), having the back, head, neck, and breast black glossed with blue, the wings black, and the belly white.
Ragged robin. Bot. See under Ragged.
Robin accentor Zool., a small Asiatic singing bird (Accentor rubeculoides), somewhat resembling the European robin.
Robin redbreast. Zool. (a) The European robin. (b) The American robin. (c) The American bluebird.
Robin snipe. Zool. (a) The red-breasted snipe, or dowitcher. (b) The red-breasted sandpiper, or knot.
Robin's plantain. Bot. See under Plantain.
Sea robin. Zool. (a) Any one of several species of American gurnards of the genus Prionotus. They are excellent food fishes. Called also wingfish. The name is also applied to a European gurnard. (b) The red-breasted merganser, or sheldrake. [Local, U.S.]
Water robin Zool., a redstart (Ruticulla fuliginosa), native of India.