rhat.a.ny

n.（名詞）
【復(fù)數(shù)】 rhat.a.nies
Either of two South American shrubs(Krameria lappacea or K. argentea) having bilaterally symmetrical flowers, spiny globose fruits, and thick roots.
孔裂藥豆：兩種南美灌木（克雷默屬 芒刺車軸草 或 孔裂藥豆） 中任一種，具有兩側(cè)對稱花朵，多刺的球狀果實及粗大的根
The dried root of either of these plants, formerly used as an astringent and now used in various dental preparations, such as toothpaste and mouthwash.
孔裂藥豆干根：任一種這樣的植物的干根，從前被用作一種收斂劑而現(xiàn)在用于各種牙科藥劑中，如牙膏及漱口劑

來源：
American Spanish ratania
美國西班牙語 ratania
possibly from Quechua ratana [to thin, unite]
可能源自 奇楚亞語 ratana [使變薄，使成一體]