quas·sia /ˈkwɑʃə/
 苦木科植物,由其採取之苦味液


 quas·sia /ˈkwɑʃ(ɪ)ə, ˈkwɑsɪə/ 名詞
 苦木,美洲苦木,啤酒苦味劑


 Quas·si·a n.  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.

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 quassia
      n 1: a bitter compound used as an insecticide and tonic and
           vermifuge; extracted from the wood and bark of trees of
           the genera Quassia and Picrasma
      2: handsome South American shrub or small tree having bright
         scarlet flowers and yielding a valuable fine-grained
         yellowish wood; yields the bitter drug quassia from its
         wood and bark [syn: bitterwood, Quassia amara]