Octagon

Washington landmark building

An octagon is a polygon with eight sides and eight angles.

The shape appears in architecture, signage, and design—most recognizably in stop signs.

The building featured an octagonal tower.

Regular octagons have equal sides and angles; irregular ones don't.

traffic

stop sign

Roadside traffic directive

crossing · pedestrian · red · warning · street · signage · reflective · post · highway · driver

architecture

gazebo

Roofed outdoor shelter

rotunda · baptistery · dome · lantern · belvedere · kiosk · folly · bandstand · summerhouse · structure

geometry

vertices

Corner points of shapes

  • anglesRotation between intersecting lines
  • regularOccurring at fixed intervals
  • irregularDeviating from normal patterns

perimeter · symmetry · interior · exterior · tessellation · equilateral · convex · shape · figure · sides

symbolism

mirror

Reflective viewing surface

transition · Buddhism · baptismal · sacred · cosmic · balance · harmony · protection · spirituality · resurrection

UFC

cage

Barred confinement structure

  • MMAHybrid combat sport
  • fighterOne who engages in combat
  • boutLimited stretch of something

Dana White · championship · knockout · submission · referee · canvas · cutman · weigh-in · rounds · gloves

Categories
Opposites
number of sides

Octagontriangle

Three-sided plane figure

square · line segment · point · trigon · pentagon

angularity vs curvature

Octagoncircle

Curved closed shape

oval · ellipse · sphere · curve · blob

Phrases
Family

octagonal

Familiarity
Top 500,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G