Hendecagon
/henˈdekəɡɑːn/
Definition 1 of 1
Pro Tip 1/3Geometry Term
Hendecagon is specific to geometry, describing an 11-sided polygon. 
In our geometry class, we learned that a hendecagon has 11 sides.
Pro Tip 2/3Rare Usage
Hendecagon is uncommon in daily language, mostly used in math or geometry settings. 
When discussing shapes, she was surprised to encounter the term 'hendecagon'.
Pro Tip 3/3Visualizing Shapes
Understanding hendecagon is easier when visualizing or drawing the shape. 
To remember what a hendecagon is, he pictured an eleven-sided star.