postpectoral
/ˌpəʊstˈpɛkt(ə)rəl/ /ˌpəʊstˈpɛkt(ə)r(ə)l/Zoology rare
adjective
Of, relating to, or attached to the posterior part of the lower surface of the thorax (the postpectus).
Origin
Early 19th century; earliest use found in William Kirby (1759–1850), entomologist and naturalist. From post- + pectoral, after postpectus.