velamen / vəˈleɪ mɪn /

⚽高中词汇船帆帆船风帆

velamen 的定义

n. 名词 noun

plural ve·lam·i·na [vuh-lam-uh-nuh]. /vəˈlæm ə nə/.

  1. Anatomy. a membranous covering; velum.
  2. Botany. the thick, spongy integument or epidermis covering the aerial roots of epiphytic orchids.