ramentum noun. [rǝ'mɛntǝm] Pl. -ta [-tǝ]. M17.
[Latin, from radere to scrape: see -MENT.]
1. A fragment scraped off. Formerly also, a tiny particle, an atom. Usu. in pl. M17.

2. Botany. A thin membraneous scale on the surface of leaves and stalks (esp. of ferns). E19.

■ ramen'taceous adjective (Botany) covered with or resembling ramenta E19.

■ ramen'tiferous adjective (Botany) bearing ramenta L19.

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