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rattlesnake 音标拼音: [r'ætəlsn ,ek] n. 响尾蛇 响尾蛇 rattlesnake n 1: pit viper with horny segments at the end of the tail that rattle when shaken [ synonym: { rattlesnake}, { rattler}] Rattlesnake \ Rat" tle* snake`\ ( r[ a^] t" t' l* sn[= a] k`), n. ( Zool.) Any one of several species of venomous American snakes belonging to the genera { Crotalus} and { Caudisona}, or { Sistrurus}; sometimes also called { rattler}. They have a series of horny interlocking joints at the end of the tail which make a sharp rattling sound when shaken. The common rattlesnake of the Northern United States ({ Crotalus horridus}), and the { diamondback rattlesnake} ( also called { diamondback rattler}, and { diamondback}) of the South and East ({ Crotalus adamanteus}) and West ({ Crotalus atrox}), are the best known. See Illust. of { Fang}. [ 1913 Webster PJC] { Ground rattlesnake} ( Zool.), a small rattlesnake ({ Caudisona miliaria} or { Sistrurus miliaria}) of the Southern United States, having a small rattle. It has nine large scales on its head. { Rattlesnake fern} ( Bot.), a common American fern ({ Botrychium Virginianum}) having a triangular decompound frond and a long- stalked panicle of spore cases rising from the middle of the frond. { Rattlesnake grass} ( Bot.), a handsome American grass ({ Glyceria Canadensis}) with an ample panicle of rather large ovate spikelets, each one composed of imbricated parts and slightly resembling the rattle of the rattlesnake. Sometimes called { quaking grass}. { Rattlesnake plantain} ( Bot.), See under { Plantain}. { Rattlesnake root} ( Bot.), a name given to certain American species of the composite genus { Prenanthes} ({ Prenanthes alba} and { Prenanthes serpentaria}), formerly asserted to cure the bite of the rattlesnake. Called also { lion' s foot}, { gall of the earth}, and { white lettuce}. { Rattlesnake' s master} ( Bot.) ( a) A species of Agave ({ Agave Virginica}) growing in the Southern United States. ( b) An umbelliferous plant ({ Eryngium yuccaefolium}) with large bristly- fringed linear leaves. ( c) A composite plant, the blazing star ({ Liatris squarrosa}). { Rattlesnake weed} ( Bot.), a plant of the composite genus { Hieracium} ({ Hieracium venosum}); -- probably so named from its spotted leaves. See also { Snakeroot}. [ 1913 Webster]
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