Definition of colonizer noun from the Oxford Advanced Learner's Dictionary



    (British English also -iser) noun
    BrE BrE//ˈkɒlənaɪzə(r)//
    ; NAmE NAmE//ˈkɑːlənaɪzər//
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  1. 1a person who helps take control of an area or a country that is not their own, especially using force, and sending people from their own country to live there the arrival of European colonizers
  2. 2an animal or plant that lives or grows in large numbers in a particular area Saltgrass is the first perennial colonizer of shorelines.