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ONAD→calamite

calamite

Flag: gbEnglishOxford New American Dictionary
calamite /ˈkaləˌmīt, ˈkæləˌmaɪt /
▸ noun a jointed-stemmed swamp plant of an extinct group related to the horsetails, growing to a height of 60 feet (18 m). Calamites are characteristic fossils of the Carboniferous coal measures.
Calamites and other genera, family Calamitaceae, class Sphenopsida.
– ORIGIN modern Latin, from calamus.