Related Clues:

• Geom. shape
• Prefix with angle
• Prefix with angular
• Geometric fig.
• Angular opening?
• Sq., for example
• Geom. figure
• Angular lead-in
• Env. shape
• Mathematical fig.
• Four-sided fig.
• It means ''straight''
• Sq., e.g.
• Prefix meaning ''straight''
• Like most city blocks: Abbr.