| water hemlock | <botany> A poisonous umbelliferous plant (Cicuta virosa) of Europe; also, any one of several plants of that genus. A poisonous plant (oenanthe crocata) resembling the above. Source: Websters Dictionary (01 Mar 1998) |
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| water hemp | <botany> See Hemp. Source: Websters Dictionary (01 Mar 1998) |
| water hen | 1. <zoology> Any gallinule. 2. <zoology> The common American coot. Source: Websters Dictionary (01 Mar 1998) |
| water hog | <zoology> The capybara. Source: Websters Dictionary (01 Mar 1998) |
| water horehound | <botany> Bugleweed. Source: Websters Dictionary (01 Mar 1998) |
| water hyacinth | <botany> Either of several tropical aquatic plants of the genus Eichhornia, related to the pickerel weed. Source: Websters Dictionary (01 Mar 1998) |
| water intoxication | The condition induced by the undue retention of water with sodium depletion. It is marked by lethargy, nausea, vomiting, and mild mental aberrations, and in severe cases by convulsions and coma. (12 Dec 1998) |
| water itch | Cutaneous larva migrans caused by larvae of hookworms. Synonym: ancylostoma dermatitis, ancylostomiasis cutis, coolie itch, dew itch, ground itch, swamp itch, swimmer's itch, toe itch, water itch, water sore. (05 Mar 2000) |
| water junket | <zoology> The common sandpiper. Source: Websters Dictionary (01 Mar 1998) |
| water laverock | <zoology> The common sandpiper. Source: Websters Dictionary (01 Mar 1998) |
| water lemon | <botany> The edible fruit of two species of passion flower (Passiflora laurifolia, and P. Maliformis); so called in the West Indies. Source: Websters Dictionary (01 Mar 1998) |
| water lettuce | <botany> A plant (Pistia stratiotes) which floats on tropical waters, and forms a rosette of spongy, wedge-shaped leaves. Source: Websters Dictionary (01 Mar 1998) |
| water lily | <botany> A blossom or plant of any species of the genus Nymphaea, distinguished for its large floating leaves and beautiful flowers. See Nymphaea. The name is extended to various plants of other related genera, as Nuphar, Euryale, Nelumbo, and Victoria. See Euryale, Lotus, and Victoria. Source: Websters Dictionary (01 Mar 1998) |
| water lizard | <zoology> Any aquatic lizard of the genus Varanus, as the monitor of the Nile. See Monitor. Source: Websters Dictionary (01 Mar 1998) |
| water locust | <botany> A thorny leguminous tree (Gleditschia monosperma) which grows in the swamps of the Mississippi valley. Source: Websters Dictionary (01 Mar 1998) |