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[ek-wuh-see-tuh m] /ˌɛk wəˈsi təm/
noun, plural equisetums, equiseta
[ek-wuh-see-tuh] /ˌɛk wəˈsi tə/ (Show IPA)
any plant of the genus Equisetum, comprising the horsetails.
Origin of equisetum
1820-30; < New Latin; Latin equisaetum, equivalent to equi-, combining form of equus horse + saet(a) bristle + -um neuter noun suffix
Related forms
equisetic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for equisetum


noun (pl) -tums, -ta (-tə)
any tracheophyte plant of the genus Equisetum, which comprises the horsetails
Word Origin
C19: New Latin, changed from Latin equisaetum, from equus horse + saeta bristle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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