adj. Of or pertaining to nature (as including all created existences); in accordance with the laws of nature; also, of or relating to natural or material things, or to the bodily structure, as opposed to things mental, moral, spiritual, or imaginary; material; naturaladj. Of or pertaining to physics, or natural philosophy; treating of, or relating to, the causes and connections of natural phenomenaadj. Perceptible through a bodily or material organization; cognizable by the senses; external.adj. Of or pertaining to physic, or the art of medicine; medicinal; curative; healing; also, cathartic; purgative.