I. bee ‧ tle 1 /ˈbiːtl/ BrE AmE noun [countable]
[ Language: Old English ; Origin: bitula , from bitan ; ⇨ ↑ bite 1 ]
an insect with a round hard back that is usually black
II. beetle 2 BrE AmE verb [intransitive always + adverb/preposition] British English informal
to go somewhere quickly and leaning forward SYN scurry :
He went beetling off down the corridor.