migrations

'migrations'

[migration.n.01] as in: the movement of persons from one country or locality to another

'migrations'

[migration.n.02] as in: a group of people migrating together (especially in some given time period)

'migrations'

[migration.n.03] as in: (chemistry) the nonrandom movement of an atom or radical from one place to another within a molecule

'migrations'

[migration.n.04] as in: the periodic passage of groups of animals (especially birds or fishes) from one region to another for feeding or breeding