Migratory \Mi"gra*to*ry\, a. [Cf. F. migratoire.]

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 (Zo["o]l.) See Locust.

Migratory thrush (Zo["o]l.), the American robin. See Robin.

Source: Webster's Revised Unabridged Dictionary (1913)