Main Entry:

¹su·pine

Pronunciation:

\ˈsü-ˌpīn\

Function:

noun

Etymology:

Middle English supyn, from Late Latin supinum, from Latin, neuter of supinus, adjective

Date:

15th century

1 : a Latin verbal noun having an accusative of purpose in -um and an ablative of specification in -u 2 : an English infinitive with to