Word Study
amphibian
CIDE DICTIONARY
amphibian, a.
Of or pertaining to the Amphibia; as, amphibian reptiles. [1913 Webster]
amphibian, n.
One of the Amphibia. [1913 Webster]
OXFORD DICTIONARY
amphibian, adj. & n.
--adj.
1 living both on land and in water.
2 Zool. of or relating to the class Amphibia.
3 (of a vehicle) able to operate on land and water.
--n.
1 Zool. any vertebrate of the class Amphibia, with a life history of an aquatic gill-breathing larval stage followed by a terrestrial lung-breathing adult stage, including frogs, toads, newts, and salamanders.
2 (in general use) a creature living both on land and in water.
3 an amphibian vehicle.
--adj.
1 living both on land and in water.
2 Zool. of or relating to the class Amphibia.
3 (of a vehicle) able to operate on land and water.
--n.
1 Zool. any vertebrate of the class Amphibia, with a life history of an aquatic gill-breathing larval stage followed by a terrestrial lung-breathing adult stage, including frogs, toads, newts, and salamanders.
2 (in general use) a creature living both on land and in water.
3 an amphibian vehicle.
THESAURUS
amphibian
Reptilia, Surinam toad, aeroboat, air, airy nothing, angiosperm, anguine, annual, aquatic plant, batrachian, biennial, boat seaplane, bubble, bullfrog, caecilian, clipper, colubriform, cosmopolite, crawling, creeping, croaker, crocodilian, cutting, deciduous plant, dicot, dicotyledon, eft, ephemeral, ether, evergreen, exotic, floatplane, flowering plant, flying boat, frog, froggy, fungus, gametophyte, grass frog, gymnosperm, hellbender, hoppytoad, hoptoad, hydrophyte, hydroplane, illusion, leopard frog, lizardlike, midwife toad, mist, monocot, monocotyl, mud puppy, newt, ophidian, paddock, perennial, phantom, pickerel frog, plant, polliwog, polycot, polycotyl, polycotyledon, repent, reptant, reptile, reptilelike, reptilian, reptiliform, reptiloid, salamander, saurian, seaplane, seed plant, seedling, serpentiform, serpentile, serpentine, serpentlike, serpentoid, shadow, siren, slithering, smoke, snakelike, snaky, spermatophyte, spirit, sporophyte, spring frog, tadpole, thallophyte, thin air, toad, toadish, tree frog, tree toad, triennial, vapor, vascular plant, vegetable, viperiform, viperish, viperlike, viperoid, viperous, vipery, water dog, waterplane, weed, wood frogROGET THESAURUS
amphibian
Animal
N animal, animal kingdom, fauna, brute creation, beast, brute, creature, critter, wight, created being, creeping thing, living thing, dumb animal, dumb creature, zoophyte, mammal, bird, reptile, amphibian, fish, crustacean, shellfish, mollusk, worm, insect, arthropod, microbe, microbe, animalcule, alligator, crocodile, saurian, dinosaur (extinct), snake, serpent, viper, eft, asp, aspick, frog, toad, trout, bass, tuna, muskelunge, sailfish, sardine, mackerel, ant, mosquito, bee, honeybee, tardigrade, spider, biped, quadruped, webfoot, flocks and herds, live stock, domestic animals, wild animals, game, ferae naturae, beasts of the field, fowls of the air, denizens of the sea, black game, black grouse, blackcock, duck, grouse, plover, rail, snipe, horse, cattle, kine, ox, bull, bullock, cow, milch cow, calf, heifer, shorthorn, sheep, lamb, lambkin, ewe, ram, tup, pig, swine, boar, hog, sow, steer, stot, tag, teg, bison, buffalo, yak, zebu, dog, cat, dog, hound, pup, puppy, whelp, cur, mongrel, house dog, watch dog, sheep dog, shepherd's dog, sporting dog, fancy dog, lap dog, toy dog, bull dog, badger dog, mastiff, blood hound, grey hound, stag hound, deer hound, fox hound, otter hound, harrier, beagle, spaniel, pointer, setter, retriever, Newfoundland, water dog, water spaniel, pug, poodle, turnspit, terrier, fox terrier, Skye terrier, Dandie Dinmont, collie, feline, puss, pussy, grimalkin, gib cat, tom cat, fox, Reynard, vixen, stag, deer, hart, buck, doe, roe, caribou, coyote, elk, moose, musk ox, sambar, bird, poultry, fowl, cock, hen, chicken, chanticleer, partlet, rooster, dunghill cock, barn door fowl, feathered tribes, feathered songster, singing bird, dicky bird, canary, warbler, finch, aberdevine, cushat, cygnet, ringdove, siskin, swan, wood pigeon, vermin, varmint, pest, animal, zoological equine, bovine, vaccine, canine, feline, fishy, piscatory, piscatorial, molluscous, vermicular, gallinaceous, rasorial, solidungulate, soliped.For further exploring for "amphibian" in Webster Dictionary Online