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Definition of Diagonal


  1. 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.
  2. 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.
  3. A member, in a framed structure, running obliquely across a panel.
  4. A diagonal cloth; a kind of cloth having diagonal stripes, ridges, or welts made in the weaving.

Diagonal Translations

diagonal in French is diagonale
diagonal in German is Diagonale, diagonal
diagonal in Spanish is diagonal