spinto
noun
spin·to ˈspēn-(ˌ)tō 
ˈspin-
plural spintos
: a singing voice having both lyric and dramatic qualities
spinto adjective
Word History
Etymology
Italian, literally, pushed, from past participle of spingere to push, from Vulgar Latin *expingere, from Latin ex- + pangere to fasten — more at pact
First Known Use
1944, in the meaning defined above