from Wiktionary, Creative Commons Attribution/Share-Alike License
- adv. Diagonally, as timber so sawn (lengthwise) or tiles so laid relative to walls or a way.
from the GNU version of the Collaborative International Dictionary of English
- adv. Diagonally laid, as tiles; ridgewise.
from The Century Dictionary and Cyclopedia
- Diagonally: said of an arrangement of tiles or slates so that one angle points downward.
- In heraldry, with one angle projecting toward the spectator: said of any bearing of a rectangular form so placed that one corner is in front, and the top and two of the sides are shown. Erroneously written arraswise.
arris + -wise (Wiktionary)