Facies \Fa"ci*es\, n. [L., from, face. See {Face}.] 1. The anterior part of the head; the face. 2. (Biol.) The general aspect or habit of a species, or group of species, esp. with reference to its adaptation to its environment. 3. (Zo["o]l.) The face of a bird, or the front of the head, excluding the bill. {Facies Hippocratica}. (Med.) See {Hippocratic}.