beetle
General term for beetles (order Coleoptera). Often used in biological contexts or to refer to beetles as a group.
Beetles are a group of insects that have hard forewings.
beetles; coleopterans; Coleoptera
From 甲 (こう, 'armor, shell') + 虫 (ちゅう, 'insect'), referring to the hard shell-like forewings (elytra) characteristic of beetles.