noun. plants of the class Gymnospermae having seeds not enclosed in an ovary.
- Welwitschia mirabilis
- seed plant
- class Gymnospermae
- division Gymnospermophyta
- seed fern
Example sentences of the word gymnosperm
1. Noun, singular or mass
Classified as a deciduous gymnosperm tree, according the University of Tennessee, the leaves on the cypress tree turn brown in autumn and fall along with the cones, which leaves the tree looking bare.
Most gymnosperm species have some or all of the following qualities (along with their lack of flowers/fruit):