Diagonal

Joining two not adjacent angles of a quadrilateral or multilateral figure; running across from corner to corner; crossing at an angle with one of the sides.

A right line drawn from one angle to another not adjacent, of a figure of four or more sides, and dividing it into two parts.

A member, in a framed structure, running obliquely across a panel.

A diagonal cloth; a kind of cloth having diagonal stripes, ridges, or welts made in the weaving.

(mathematics) a set of entries in a square matrix running diagonally either from the upper left to lower right entry or running from the upper right to lower left entry

a punctuation mark (‘/’) used to separate related items of information