say it: am-FIB-ee-uhn
amphibian is a noun and adjective meaning "a flat-bottomed motor vehicle that can travel on land or water". It carries 4 recorded senses.
a flat-bottomed motor vehicle that can travel on land or water
an airplane designed to take off and land on water
cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form
relating to or characteristic of animals of the class Amphibia
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for amphibian come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.