The Collaborative International Dictionary
Bebirine
Bebeerine \Be*bee"rine\, or Bebirine \Be*bi"rine\ (b[-e]*b[=e]"r[i^]n or -r[=e]n), n. (Chem.) An alkaloid got from the bark of the bebeeru, or green heart of Guiana ( Nectandra Rodi[oe]i). It is a tonic, antiperiodic, and febrifuge, and is used in medicine as a substitute for quinine. [Written also bibirine.]
Wiktionary
bebirine
n. (alternative form of bebeerine English)