Somatic \So*mat"ic\, a. [Gr. swmatiko`s, fr. sw^ma the body.] 1. Of or pertaining to the body as a whole; corporeal; as, somatic death; somatic changes. 2. Of or pertaining to the wall of the body; somatopleuric; parietal; as, the somatic stalk of the yolk sac of an embryo. {Somatic death}. See the Note under {Death}, n., 1.