polygon
UK: ˈpɒlɪɡən | US: ˈpɑːliɡɑːn
n. A plane figure with at least three straight sides and angles.
The word "polygon" derives from Greek roots: "poly-" (πολύς, meaning "many") and "-gon" (γωνία, meaning "angle" or "corner"). It entered English via Late Latin "polygonum," retaining its geometric sense. The morphemes reflect the core feature of the shape—multiple angles. Historically, Greek mathematicians like Euclid used this term to classify multi-sided figures, and its structure has remained logically consistent in scientific and mathematical contexts.
A pentagon is a type of polygon with five sides.
The children learned to identify polygons in their geometry lesson.
The artist’s design featured irregular polygons overlapping each other.
Regular polygons have equal sides and angles.
The surveyor marked the property boundaries using polygon coordinates.