subspinous
/ˌsʌbˈspʌɪnəs/adjective
1 Botany and Zoology. Somewhat spinous. Now rare.
2Located or occurring under a spinous process of a bone, especially that of the scapula. Compare earlier subspinal.
Origin
Early 19th century; earliest use found in William Turton (1762–1835), conchologist. From sub- + spinous. In sense 1 after post-classical Latin subspinosus.