Of or pertaining to seed or semen; seminal.Of or pertaining to a seminary (def. II., 3): said of a Roman Catholic priest.Of or pertaining to a seminary (def. II., 5): as, a seminary course.n. A seed-plot; ground where seed is sown for producing plants for transplantation; a nursery: now only in figurative use.n. Figuratively The original place or original stock whence anything is brought.n. A place of education; any school, academy, college, or university in which persons (especially the young) are instructed in the several branches of learning which may qualify them for their future employments; specifically, a school for the education of men for the priesthood or ministry.n. A seminary priest; a Roman Catholic priest educated in a seminary, especially a foreign one; a seminarist.n. In some universities and institutions, a group of advanced students pursuing some branch by real research, the writing of theses, etc.; also, the course of study engaged in by such students; a seminary course: imitated from German use. Also seminar.