amphibian
noun
am·phib·i·an
am-ˈfi-bē-ən 
1
: an amphibious organism
especially
: any of a class (Amphibia) of cold-blooded vertebrates (such as frogs, toads, or salamanders) intermediate in many characters between fish and reptiles and having gilled aquatic larvae and air-breathing adults
Unlike reptiles, most amphibians possess a smooth, moist skin and lay their shell-less eggs in water or wet places. —
Jeffrey P. Cohn
Jeffrey P. Cohn 2
: an amphibious vehicle
especially
: an airplane designed to take off from and land on either land or water
amphibian
adjective
Examples of amphibian in a Sentence
Recent Examples on the Web
Uncle Jack Cassidy lives on the island which is filled with new dinosaur species, giant insects and prehistoric amphibians.
—Etan Vlessing, The Hollywood Reporter, 5 Nov. 2024
Today, more than 40 percent of amphibians are at risk of going extinct.
—Alexa Robles-Gil, Smithsonian Magazine, 31 Oct. 2024
In addition to the cats, the organization is also heavily involved in conservation efforts for the Darwin’s frog—a small amphibian that’s endemic to northern Patagonia—as well as the guanaco, a South American camelid that’s closely related to the llama.
—Jared Ranahan, Forbes, 27 Oct. 2024
And while the toads may not be going anywhere anytime soon, the spirit of the Bust continues to inspire hope that, one day, the tide will turn against these toxic amphibians.
—Scott Travers, Forbes, 30 Oct. 2024
See all Example Sentences for amphibian 
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Etan Vlessing, The Hollywood Reporter, 5 Nov. 2024
Today, more than 40 percent of amphibians are at risk of going extinct.
—Alexa Robles-Gil, Smithsonian Magazine, 31 Oct. 2024
In addition to the cats, the organization is also heavily involved in conservation efforts for the Darwin’s frog—a small amphibian that’s endemic to northern Patagonia—as well as the guanaco, a South American camelid that’s closely related to the llama.
—Jared Ranahan, Forbes, 27 Oct. 2024
And while the toads may not be going anywhere anytime soon, the spirit of the Bust continues to inspire hope that, one day, the tide will turn against these toxic amphibians.
—Scott Travers, Forbes, 30 Oct. 2024
See all Example Sentences for amphibian
Dictionary Entries Near amphibian
Cite this Entry
“Amphibian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amphibian. Accessed 28 Nov. 2024.
Copy CitationKids Definition
amphibian
noun
am·phib·i·an
am-ˈfib-ē-ən
1
: any organism that is able to live both on land and in water
especially
: any of a class of cold-blooded vertebrate animals (as frogs and salamanders) that in many respects are between fishes and reptiles
2
: an airplane designed to take off from and land on either land or water
amphibian
adjective
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