The Collaborative International Dictionary
Facies Hippocratica
Facies \Fa"ci*es\, n. [L., from, face. See Face.]
The anterior part of the head; the face.
(Biol.) The general aspect or habit of a species, or group of species, esp. with reference to its adaptation to its environment.
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(Zo["o]l.) The face of a bird, or the front of the head, excluding the bill.
Facies Hippocratica. (Med.) See Hippocratic.
Wiktionary
facies hippocratica
n. (context medicine English) The pallid or shrunken face of someone about to die.