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Webster's Dictionary (1865)

Sĕc'un-dine, n.

noun

(Synop., § 130), n. [Fr. secondine.]

  1. (Bot.) The second coat or integument of an ovule, lying within the primine.
  2. [Fr. secondines, secondes, Sp. secundina, It. secondina, from Lat. secundus, second.] (Obstet.) The several coats or membranes in which the fetus is wrapped in the womb; the afterbirth;—generally in the plural. Coxe. Brande.