Pertaining to, containing, or consisting of, seed or semen; as, the seminal fluid.

Vesicle one of a pair of organs attached to the back of the prostate which store sperm

pertaining to or containing or consisting of semen; "seminal fluid"

Contained in seed.

Holding the first place in a series of developed results or consequents; serving as a source, or first principle; giving rise to related ideas or results; germinal; radical; primary; original; as, seminal principles of generation; seminal virtue; a seminal discovery.

containing seeds of later development; "seminal ideas of one discipline can influence the growth of another"

A seed.