secondine

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English[edit]

Noun[edit]

secondine (plural secondines)

  1. (botany) Alternative form of secundine (second coat of an ovule)
    • 1835, John Lindley, A Key to Structural, Physiological, and Systematic Botany[1], Longman et al. (publishers), page 35:
      In the seed these membranes are called by various names, of which the most frequently used are spermoderm or testa for the primine; mesosperm, for the secondine; and endopleura for the other.