rectangle
rect·angle [rectangle rectangles] BrE [ˈrektæŋɡl] NAmE [ˈrektæŋɡl] noun 
a flat shape with four straight sides, two of which are longer than the other two, and four angles of 90°
Derived Word: ↑rectangular
Word Origin:
late 16th cent.: from medieval Latin rectangulum, from late Latin rectiangulum, based on Latin rectus ‘straight’ + angulus ‘an angle’.
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