Pronunciation: (sem'u-nl), [key]
1. pertaining to, containing, or consisting of semen.
2. Bot.of or pertaining to seed.
3. having possibilities of future development.
4. highly original and influencing the development of future events: a seminal artist; seminal ideas.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.