from
The Collaborative International Dictionary of English v.0.48
Beetle \Bee"tle\, n. [OE. bityl, bittle, AS. b[imac]tel, fr.
b[imac]tan to bite. See {Bite}, v. t.]
Any insect of the order Coleoptera, having four wings, the
outer pair being stiff cases for covering the others when
they are folded up. See {Coleoptera}.
[1913 Webster]
{Beetle mite} (Zool.), one of many species of mites, of the
family {Oribatid[ae]}, parasitic on beetles.
{Black beetle}, the common large black cockroach ({Blatta
orientalis}).
[1913 Webster]