Meaning of “reptile” - Learner’s Dictionary

reptile

noun [ C ] us uk /ˈreptaɪl/

an animal whose body is covered with scales (= pieces of hard skin), and whose blood changes temperature, for example a snake

reptilian adjective us uk /repˈtɪliən/

like a reptile, or relating to reptiles

(Definition of “reptile” from the Cambridge Learner’s Dictionary © Cambridge University Press)