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The Collaborative International Dictionary
Ramenta

Ramenta \Ra*men"ta\ (r[.a]*m[e^]n"t[.a]), n. pl. [L., scrapings.] (Bot.) Thin brownish chaffy scales upon the leaves or young shoots of some plants, especially upon the petioles and leaves of ferns.
--Gray.

Wiktionary
ramenta

n. (plural of ramentum English)

WordNet
ramenta

See ramentum