Definition of ramentum in US English:

ramentum

noun

  • Botany. A thin, brownish, membranous epidermal appendage on a stem or leaf, especially of a fern; a scale.

Origin

Mid 17th century (in an earlier sense). From classical Latin rāmentum fragment scraped off, shaving from rādere to scrape + -mentum.

Pronunciation

ramentum

/rəˈmɛntəm/