| 单词 | birthroot |
| 释义 | birthroot in British English (ˈbɜːθˌruːt) noun any of several North American plants of the genus Trillium, esp T. erectum, whose tuber-like roots were formerly used by the Native Americans as an aid in childbirth: family Trilliaceae birthroot in American English (ˈbɜːrθˌruːt, -ˌrut) noun 1. Also called: birthwort, purple trillium a trillium, Trillium erectum, the roots of which were formerly used in medicine as an astringent 2. any of certain other species of trillium Word origin [1815–25; birth + root1] |
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