ramentum

American

[ruh-men-tuhm] / rəˈmɛn təm /

noun

PLURAL

ramenta

a scraping, shaving, or particle.
Botany. one of the thin, chafflike scales covering the shoots or leaves of certain ferns.

ramentum British

/ rəˈmɛntəm, ˌræmɛnˈteɪʃəs /

noun

any of the thin brown scales that cover the stems and leaves of young ferns

"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

Other Word Forms

ramentaceous adjective

Etymology

Origin of ramentum

1655–65; < Latin rāmentum a shaving, shred < *rādmentum, equivalent to rād ( ere ) to scrape + -mentum -ment

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

No one can look at a young pinnula at this epoch and observe the evident capitation of each ramentum, the inflexion of its apex, so that the head is brought into contact with the frond, without suspecting that they have the same relation of cause to the appearance subsequently of the thecæ or capsules.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023