bibiru

from The Collaborative International Dictionary of English v.0.48
bebeeru \be*bee"ru\ (b[-e]*b[=e]"r[udd]), n. [Written also
   {bibiru}.] [Native name.] (Bot.)
   A tropical South American tree ({Nectandra Rodi[oe]i}), the
   bark of which yields the alkaloid bebeerine, and the wood of
   which is known as {green heart}.
   [Webster 1913 Suppl.]
    

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