cat·er·cor·ner /ˈkætiˌkɔrnɚ/
對角線
catercorner
adj : slanted across a polygon on a diagonal line; "set off in a
catty-corner direction across the vacant lot" [syn: catacorner,
cata-cornered, cater-cornered, catty-corner, catty-cornered,
kitty-corner, kitty-cornered]