[ 'keɪtəˌkɔ:nəd ]
(also cater-corner , catty-cornered , kitty-corner )
■ adjective & adverb N. Amer. situated diagonally opposite.
Origin
C19: from dialect cater 'diagonally', from cater denoting the four on dice, from Fr. quatre 'four', from L. quattuor .