wood louse

from The Century Dictionary.

• noun Any terrestrial isopod of the family Oniscidæ. The common wood-louse of England is a species of Oniscus. Also called hog-louse, sow-bug, slater, etc. See cuts under Isopoda and Oniscus.
• noun A termite, or white ant, as Termes flavipes; any member of the Termitidæ. See cut under Termes.
• noun Any one of the small whitish species of the pseudoneuropterous family Psocidæ, found in the woodwork of houses; the death-watch; a book-louse. See book-louse, Psocidæ, and cut under death-watch.
• noun Same as wood-louse-milleped.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun any of various small terrestrial isopods having a flat elliptical segmented body; found in damp habitats