Definition of ramentum
plural ramenta
\-tə\
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
