Definition of chiva in US English:

chiva

noun

US
slang
  • Chiefly in Spanish-speaking contexts: heroin.

Origin

1960s. Apparently from Spanish (Mexico and Southern U.S.) chiva heroin, apparently a specific sense development of Spanish chiva nanny goat, (in South America also) goat, feminine form corresponding to chivo kid, billy goat.

Pronunciation

chiva

/ˈtʃiːvə/