a. [f. med.L. embryōn-em + -AL.] Of or pertaining to an embryo.
1652. French, Yorksh. Spa, vi. 55. The embrional conservation of the Nut.
1861. Hulme, trans. Moquin-Tandon, II. VII. xiii. 395. The Acephalocysts are without head, mouth, or alimentary canal, even in the embryonal condition.
1882. Vines, Sachs Bot., 529. The so-called embryonal tubes.