noun gym·no·sperm \ˈjim-nə-ˌspərm\

Definition of GYMNOSPERM

:  any of a group of vascular plants that produce naked seeds not enclosed in an ovary, that were formerly considered a class (Gymnospermae) of seed plants, but that are now considered polyphyletic in origin and divided into several extinct divisions and four divisions with surviving members typified by the cycadophytes, conifers, ginkgo, and ephedras — compare angiosperm
gym·no·sper·mous \ˌjim-nə-ˈspər-məs\ adjective
gym·no·sper·my \ˈjim-nə-ˌspər-mē\ noun


ultimately from Greek gymnos + sperma seed — more at sperm
First Known Use: circa 1838


noun gym·no·sperm \ˈjim-nə-ˌspərm\   (Medical Dictionary)

Medical Definition of GYMNOSPERM

:  any of a class or subdivision (Gymnospermae) of woody vascular seed plants (as conifers or cycads) that produce naked seeds not enclosed in an ovary and that in some instances have motile spermatozoids—compare angiosperm
gym·no·sper·mous \ˌjim-nə-ˈspər-məs\ adjective


Next Word in the Dictionary: GymnospermaePrevious Word in the Dictionary: gymnosophyAll Words Near: gymnosperm
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