noun
reptiles
Biological term for the class Reptilia; used in scientific and everyday contexts.
爬虫類にはヘビやカメが含まれる。
Reptiles include snakes and turtles.
彼は爬虫類の飼育が趣味だ。
Keeping reptiles is his hobby.
From 爬 (ha, 'crawl') + 虫 (chū, 'insect/bug') + 類 (rui, 'class/group'), a calque of the taxonomic term Reptilia.