tetragon

Plural: tetragons

Noun

• A polygon having four sides and four angles; a quadrilateral.
• a four-sided polygon
• Quadrilateral.
• An aspect of two planets with regard to the Earth when they are distant from each other ninety degrees, or a quarter-circle.

Examples

• The cluster of letters formed a visual tetragon on the board, waiting to be connected.

Synonyms

quadrangle, quadrilateral