/kat"i kawr'neuhrd, kat"ee-, kat"euhr-/ , adj.
1. diagonal.
adv.
2. diagonally.
Also, catercorner, cater-corner, catty-corner, catty-cornered, kitty-corner, kitty-cornered .
[ 1830-40; dial. cater (adv.) diagonally (prob. to be identified with obs. cater four quatre quattuor ) + CORNERED ]