septangle

A child draws a red septangle on a white sheet of paper.

Definition

Noun: A geometric figure or polygon that has seven angles and seven sides.

Usage Examples

• (A seven-sided polygon forming the foundation.)
• (A seven-angled shape.)

Advanced Usage

• "regular septangle": A septangle in which all sides and angles are equal.
  • A regular septangle has internal angles of approximately 128.57 degrees. (A specific type of equilateral and equiangular seven-sided polygon.)

Variants and Related Words

• Septangular (adj): Having seven angles or relating to a septangle.
  • The septangular courtyard was a unique feature of the old castle. (The courtyard had seven angles.)

Synonyms

• Heptagon: The more common term for a seven-sided polygon.
  • A heptagon is also known as a septangle. (Both terms refer to the same shape.)

Related Idioms

• None commonly associated with this word.