'Migratory' definitions:

Definition of 'migratory'

From: WordNet
adjective
Used of animals that move seasonally; "migratory birds" [ant: nonmigratory, resident]
adjective
Habitually moving from place to place especially in search of seasonal work; "appalled by the social conditions of migrant life"; "migratory workers" [syn: migrant, migratory]

Definition of 'Migratory'

From: GCIDE
  • Migratory \Mi"gra*to*ry\, a. [Cf. F. migratoire.] [1913 Webster]
  • 1. Removing regularly or occasionally from one region or climate to another; as, migratory birds. [1913 Webster]
  • 2. Hence, roving; wandering; nomad; as, migratory habits; a migratory life. [1913 Webster]
  • Migratory locust (Zool.) See Locust.
  • Migratory thrush (Zool.), the American robin. See Robin. [1913 Webster]