Definition of: isopod

(ī′sə·pod) noun
Any of a large and varied order (Isopoda) of terrestrial and aquatic crustaceans, having sessile eyes, flattened bodies lacking a carapace, and seven free thoracic segments, of which each carries a pair of closely similar legs.
—adjective Of or pertaining to the Isopoda. [<NL <Gk. isos equal + pous, podos foot]
—i·sop·o·dan (ī·sop′ə·dən) adjective