D defs.my
Entry 1 sense Webster, 1913

Quassia

/kwäsh'-ē-ə/ · Quas·si·a · IPA /ˈkwɑʃə/
01 n. The wood of several tropical American trees of the order Simarubeæ, as Quassia amara, Picræna excelsa, and Simaruba amara. It is intensely …
  1. 1.
    The wood of several tropical American trees of the order Simarubeæ, as Quassia amara, Picræna excelsa, and Simaruba amara. It is intensely bitter, and is used in medicine and sometimes as a substitute for hops in making beer.