amphibian

Adjective
  1. Relating to or characteristic of animals of the class Amphibia (synset 302842864)
    same as: amphibious
Noun
  1. A flat-bottomed motor vehicle that can travel on land or water (synset 102707651)
    is a type of: automotive vehicle, motor vehicle - a self-propelled wheeled vehicle that does not run on rails
    subtypes: marsh buggy, swamp buggy - an amphibious vehicle typically having four-wheel drive and a raised body
    same as: amphibious vehicle
  2. An airplane designed to take off and land on water (synset 102707504)
    is a type of: aeroplane, airplane, plane - an aircraft that has a fixed wing and is powered by propellers or jets
    has: pontoon - a float supporting a seaplane
    same as: amphibious aircraft
  3. Cold-blooded vertebrate typically living on land but breeding in water;
    Aquatic larvae undergo metamorphosis into adult form (synset 101630065)
    is a type of: craniate, vertebrate - animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium
    subtypes:
    • hynerpeton bassetti - fossil amphibian of the Devonian having well-developed forelimbs; found in Pennsylvania
    • ichyostega - early tetrapod amphibian found in Greenland
    • caudate, urodele - amphibians that resemble lizards
    • salamander - any of various typically terrestrial amphibians that resemble lizards and that return to water only to breed
    • anuran, batrachian, frog, salientian, toad, toad frog - any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species
    • blindworm, caecilian - any of the small slender limbless burrowing wormlike amphibians of the order Gymnophiona; inhabit moist soil in tropical regions
    • labyrinthodont - an amphibian of the superorder Labyrinthodontia
    belongs to: amphibia, class amphibia - the class of vertebrates that live on land but breed in water; frogs; toads; newts; salamanders; caecilians
    has: lateral line, lateral line organ - sense organs of fish and amphibians; believed to detect pressure changes in the water

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