heptagon
2 synonyms for heptagon, grouped by meaning and by how common each one is.
Noun — A shape with seven straight sides and seven angles.
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
7-gon
septagon
How to use heptagon
The word patterns that sound natural to a native speaker.
regular heptagon
irregular heptagon
heptagon shape
Heptagon is the standard geometry term; septagon is a less accepted variant.
Etymology
The word has been used in English since the sixteenth century. It comes from Ancient Greek, joining the word for seven with the word for angle, and can be broken down as hepta- plus -gon.
Full origin of heptagon →Frequently asked questions
What is a heptagon?
It is a shape with seven sides and seven angles.
Is septagon another word for heptagon?
Yes, septagon is sometimes used to mean the same shape, though it is often considered a less correct form.
How many angles does a heptagon have?
A heptagon has seven angles, one at each corner where its seven sides meet.
