Positioned or laid diagonally, at an angle, or so as to present a sharp edge; (of a piece of wood or another building material) cut diagonally so as to have a triangular cross-section.
Origin
Late Middle English.
Definition of arris-wise in US English:
arris-wise
adverb
Positioned or laid diagonally, at an angle, or so as to present a sharp edge; (of a piece of wood or another building material) cut diagonally so as to have a triangular cross-section.