Englishfor English speakers
migration
Noun
—
A migration is a large movement, usually of people or animals, to a new living place.
Every fall, the birds begin their migration from the cold northern areas to the southern regions where they will spend the winter.
cohort
—
noun
a band of warriors (originally a unit of a Roman Legion)
—
noun
a company of companions or supporters
—
noun
(= age group)
a group of people having approximately the same age