Definition of amphibious adjective from the Oxford Advanced Learner's Dictionary



    BrE BrE//æmˈfɪbiəs//
    ; NAmE NAmE//æmˈfɪbiəs//
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  1. 1able to live both on land and in water
  2. 2(of military operations) involving soldiers landing at a place from the sea an amphibious raid/assault
  3. 3suitable for use on land or water amphibious vehicles
  4. Word Originmid 17th cent.: from modern Latin amphibium, from Greek amphibion (noun use of amphibios ‘living both in water and on land’, from amphi ‘both’ + bios ‘life’) + -ous.
See the Oxford Advanced American Dictionary entry: amphibious