noun.
In anatomy: Any process of bone; an out-growth of bone; a mere projection or protuberance, which has no independent ossific center, and is thus distinguished from an epiphysis (which see); specifically, any process of a vertebra, whether it has such a center, and thus is epiphysial in nature, or not: in the former case, a vertebral apophysis is called autogenous or endogenous; in the latter, exogenous. A process or outgrowth of some organ of the body, as the brain: as, apophysis cerebri, the pituitary body. See cut under brain. In chitons, a process of one of the plates, inserted into the mantle.
noun.
In botany, a swelling under the base of the theca or spore-case of some mosses, as in species of Splachnum. See cut under Andreæa.
noun.
In geology, a term applied to the arms which often extend outward in a horizontal direction from the main mass or dike of an intrusive igneous rock.
noun.
In architecture, same as apophyge.