lay on the back; turn up; tilt back
Latin word, found 39 times in the texts on Socratos.
Vergil, Georgics 2.261: ante supinatas aquiloni ostendere glaebas,
Vergil, Aeneid 3.176: corripio e stratis corpus, tendoque supinas
Ovid, Ex Ponto 4.5.43: fluminaque in fontes cursu reditura supino,
All forms of supino