| 单词 | water caltrop |
| 释义 | > as lemmaswater caltrop water caltrop n. (also water caltrops) †(a) a pondweed (genus Potamogeton) (obsolete); (b) any of the floating aquatic plants constituting the genus Trapa (family Lythraceae), native to warm temperate regions of Europe, Asia, and Africa, and producing a hard nut with spiky projections, the kernel of which is edible; also called water chestnut, water nut, saligot, and ling.The genus Trapa is now often considered to consist of a single polymorphic species, T. natans. ΘΚΠ the world > plants > particular plants > plants and herbs > aquatic, marsh, and sea-shore plants > [noun] > pondweed pondweed1578 water spike1578 water caltrop1597 potamogeton1601 frog's lettuce1633 pickerel weed1653 pondweed1706 flatter-dock1820 tench-weeda1825 fish-leaves1886 the world > plants > particular plants > cultivated or valued plants > particular food plant or plant product > particular vegetables > [noun] > stalk vegetables > water-chestnut > seed of caltrop1597 water caltrop1597 1597 J. Gerard Herball ii. 676 Water Caltrops hath long slender stalkes, growing vp and rising from the bottome of the water. 1633 T. Johnson Gerard's Herball (new ed.) ii. 824 Small water Caltrops, or Frogs-lettuce. 1681 N. Grew Musæum Regalis Societatis ii. §iii. ii. 232 The Water-Caltrop. Tribulus aquaticus. 1762 W. Hudson Flora Anglica 61 Potamogeton [crispum].., the greater Walter-caltrops... Potamogeton [serratum].., the lesser Water-caltrops, or Frog's-lettuce. 1866 J. Lindley & T. Moore Treasury Bot. II. at Trapa The European species of Trapa..is commonly called the Water Caltrops. 2001 N. Jones Rough Guide Trav. Health ii. 215 Humans are infected by eating raw water plants (eg water chestnuts or water caltrop) contaminated by larval cysts. < as lemmas |
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