oriental cockroach

noun
ori·​en·​tal cockroach | \ˌōr-ē-ˈent-ᵊl-, ˌȯr- \

Medical 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

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