Webster's Revised Unabridged Dictionary · 1913

Gymnospermous

Gymnospermous (jim"no*spẽr"mus) , adjective

[Greek gymno`spermos; gymno`s naked + spe`rma seed: compare French gymnosperme.]

(a)
(Botany) Having naked seeds, or seeds not inclosed in a capsule or other vessel.
(b)
(Botany) Belonging to the class of plants consisting of gymnosperms.