gymnosperm noun. ['dʒɪmnǝspǝ:m] M19.
[mod. Latin gymnospermus from Greek gumnospermos, formed as GYMNO- + sperma seed.]
A woody plant belonging to the Gymnospermae, one of the two main divisions of seed plants, lacking flowers and with seeds unprotected by an ovary or fruit, and including conifers, cycads, and ginkgos.

■ gymno'spermous adjective characteristic of or designating a gymnosperm E18.

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