adj. & n.
--adj.
1. lying face upwards (cf. PRONE).
2 having the front or ventral part upwards; (of the hand) with the palm upwards.
3 inert, indolent; morally or mentally inactive.
--n. a Latin verbal noun used only in the accusative and ablative cases, esp. to denote purpose (e.g. mirabile dictu wonderful to relate).
Derivatives:
supinely adv. supineness n.
Etymology: L supinus, rel. to super: (n.) f. LL supinum neut. (reason unkn.)