Definition of ramentum
1 : something scraped off : a minute particle : shaving
2 [New Latin, from Latin] a : any of the thin brownish often fringed or laciniate scales that are borne upon the leaves or young shoots of many ferns and that consist of a single layer of cells b : the armor of a fossil cycad stump that suggests in appearance the ramenta of existing ferns
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Origin and Etymology of ramentum
Latin, from radere to scratch, scrape + -mentum -ment
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