单词 | arrowhead |
释义 | ar·row·head (ărō-hĕd′) n. 1. The pointed striking tip of an arrow, typically a knapped, wedge-shaped stone or a fitted metal cap. 2. Something, such as a directional mark on a sign or drawing, having the shape of an arrowhead. 3. a. Any of various aquatic or wetland perennial plants of the genus Sagittaria, having arrowhead-shaped leaves and panicles of white, unisexual flowers. b. The edible tubers of various Sagittaria species, especially S. sagittifolia of Eurasia or S. latifolia of North America. |
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