pill bug
noun
any of various small terrestrial isopods, especially of the genera Armadillidium and Oniscus, which can roll themselves up into a spherical shape.
Origin of pill bug
An Americanism dating back to 1835–45
Words nearby pill bug
pilikia,
piling,
pilipino,
pill,
pill beetle,
pill bug,
pill popper,
pill pusher,
pill-rolling,
pillage,
pillar
Example sentences from the Web for pill bug
It looks like some sort of pill-bug half an inch long, doesn't it?
The Animal World, A Book of Natural History |Theodore Wood
British Dictionary definitions for pill bug
pill bug
noun
any of various woodlice of the genera Armadillidium and Oniscus, capable of rolling up into a ball when disturbed