1911 Encyclopædia Britannica/Arris
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ARRIS (Fr. areste, or arête), in architecture, the sharp edge or angle in which two sides or surfaces meet.
See also Arris on Wikipedia; and our 1911 Encyclopædia Britannica disclaimer.
ARRIS (Fr. areste, or arête), in architecture, the sharp edge or angle in which two sides or surfaces meet.