oriental cockroach

ori·en·tal cockroach

noun \ˌōr-ē-ˈent-^əl-, ˌȯr-\

Definition of ORIENTAL COCKROACH

: a dark or blackish brown medium-sized cockroach (Blatta orientalis) probably originating in Asia but now nearly cosmopolitan in warm and temperate areas especially about dwellings—called also oriental roach