Line Joining Two Opposite Corners of a Square

This page is the CodyCross answer for the clue below from Welcome to Japan, Group 579, Puzzle 2 (Anime and Manga).

Question is: Line Joining Two Opposite Corners of a Square

and the answer is: DIAGONAL

Word Meaning:

DIAGONAL — (geometry) Joining two nonadjacent vertices (of a polygon or polyhedron).

Definitions from Wiktionary.

Line Joining Two Opposite Corners Of A Square - Welcome to Japan CodyCross Answers | CodyCross Solutions