<p><strong>Noun</strong></p><ul><li>any of numerous insects of the order Coleoptera, characterized by hard, horny forewings that cover and protect the membranous flight wings.</li><li>(loosely) any of various insects resembling the beetle, as a cockroach.</li></ul><p><strong>Verb</strong></p><ul><li>(used without object) Chiefly British: to move quickly; scurry: He beetled off to catch the train.</li></ul>