Noun migrator has 2 senses
  1. migrant, migrator - traveler who moves from one region or country to another
    --1 is a kind of traveler, traveller
    --1 has particulars:
     departer, leaver, goer; emigrant, emigre, emigree, outgoer; evacuee; immigrant; rusher; settler, colonist
    Derived form: verb migrate1
  2. migrator - an animal (especially birds and fish) that travels between different habitats at particular times of the year
    --2 is a kind of
    animal, animate being, beast, brute, creature, fauna
    Derived form: verb migrate1
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