Adjective amphibian has 1 sense
  1. amphibious, amphibian - relating to or characteristic of animals of the class Amphibia
,Noun amphibian has 3 senses
  1. amphibian, amphibious vehicle - a flat-bottomed motor vehicle that can travel on land or water
    --1 is a kind of motor vehicle, automotive vehicle
    --1 has particulars: swamp buggy, marsh buggy
  2. amphibian, amphibious aircraft - an airplane designed to take off and land on water
    --2 is a kind of airplane, aeroplane, plane
    --2 has parts: pontoon
  3. amphibian - cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form
    --3 is a kind of
    vertebrate, craniate
    --3 is a member of Amphibia, class Amphibia
    --3 has parts: lateral line, lateral line organ
    --3 has particulars:
     Hynerpeton bassetti; Ichyostega; urodele, caudate; salamander; frog, toad, toad frog, anuran, batrachian, salientian; caecilian, blindworm; labyrinthodont
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