Definitions
Century Dictionary and Cyclopedia
- n. In botany: The aperture through the outer integument of an ovule which, together with the endostome, completes the foramen.
- n. The outer peristome of mosses.
Wiktionary
GNU Webster's 1913
- n. (Bot.) The small aperture or foremen in the outer coat of the ovule of a plant.
Etymologies
- exo- + Ancient Greek mouth. (Wiktionary)
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