Spo″ro‐phore (spō″rō̍‐fōr), n. [Spore + Gr. � to bear.] (Bot.) (a) A placenta. (b) That alternately produced form of certain cryptogamous plants, as ferns, mosses, and the like, which is nonsexual, but produces spores in countless numbers. In ferns it is the leafy plant, in mosses the capsule. Cf. Oöphore.
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Webster's Dictionary 1913
Webster's Revised Unabridged Dictionary, C. & G. Merriam Co., 1913.