Dictionary
ar•ris
Pronunciation: (ar'is), [key]—
n. Archit.
1. a sharp ridge, as between adjoining channels of a Doric column.
2. the line, ridge, or hip formed by the meeting of two surfaces at an exterior angle. Also called
piend. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.