gym·no·sperm 
(jĭmnə-spûrm′)
(jĭmnə-spûrm′)n.
A vascular plant, such as a cycad or conifer, whose seeds are not enclosed within an ovary.
[From New Latin Gymnospermae, former class name, from Greek gumnospermos : gumnos, naked; see nogw- in the Appendix of Indo-European roots + sperma, seed; see SPERM1.]
gym′no·spermous adj.
gymno·sper′my n.
- June beetle
- juneberry
- June bug
- Juneteenth
- Jung
- Jungfrau
- Jungian
- jungle
- jungle fever
- jungle fowl
- jungle gym
- jungly
- Juniata River
- Junichiro
- junior
- junior bantamweight
- junior college
- junior featherweight
- junior flyweight
- junior heavyweight
- junior high school
- junior lightweight
- junior middleweight
- junior miss
- junior varsity