- The definition of a polygon is a geometric figure with straight sides and angles.
- An example of a polygon is a octagon, a figure with eight sides.
- An example of a polygon is a triangle, a figure with three sides.

## polygon

noun

a closed plane figure consisting of straight lines

Origin of polygon

Late Latin*polygonum*; from Classical Greek

*polygōnon*, neuter of

*polygōnos*: see poly- and amp; -gon

*Related Forms:*

- polygonal
adjective

## polygon

noun

A closed plane figure bounded by three or more line segments.

Origin of polygon

Late Latin*polygōnum*, from Greek

*polugōnon*, from neuter of Greek

*polugōnos*,

*polygonal*:

*polu-*,

*poly-*+

*-gōnos*,

*angled*; see

**–gon**.

*Related Forms:*

**po·lyg′o·nal**adjective

**po·lyg′o·nal·ly**adverb

**polygon**

regular (left) and irregular (right) polygons

## polygon

Noun

**polygon** (*plural* polygons)

- polygonal
- polygonality
- polygonhood
- polygonness

Origin

Ancient Greek *πολύγωνον* (polygōnon), from *πολύς* (polus, “many”) and *γωνία* (gōnia, “angle”).

## polygon - Computer Definition

In computer graphics, a multi-sided object that can be filled with color or moved around as a single entity. See triangle.