subdorsal
/ˌsʌbˈdɔːsl/adjective
Chiefly Zoology. Somewhat or almost dorsal; situated near the back.
noun
Chiefly Zoology. A subdorsal part, appendage, or marking.
Origin
Late 18th century; earliest use found in Alexander Monro (1733–1817), anatomist. From sub- + dorsal.