'Gymnosperm' definitions:

Definition of 'gymnosperm'

(from WordNet)
noun
Plants of the class Gymnospermae having seeds not enclosed in an ovary

Definition of 'Gymnosperm'

From: GCIDE
  • Gymnosperm \Gym"no*sperm\ (j[i^]m"n[-o]*sp[~e]rm), n. (Bot.) A plant that bears naked seeds (i. e., seeds not inclosed in an ovary), as the common pine and hemlock. Cf. Angiosperm. [1913 Webster]