equisetum

[ ek-wuh-see-tuh m ]
/ ˌɛk wəˈsi təm /

noun, plural eq·ui·se·tums, eq·ui·se·ta [ek-wuh-see-tuh] /ˌɛk wəˈsi tə/.

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

OTHER WORDS FROM equisetum

eq·ui·se·tic, adjective

British Dictionary definitions for equisetic

equisetum
/ (ˌɛkwɪˈsiːtəm) /

noun plural -tums or -ta (-tə)

any tracheophyte plant of the genus Equisetum, which comprises the horsetails

Word Origin for equisetum

C19: New Latin, changed from Latin equisaetum, from equus horse + saeta bristle