Either of two regular seven-pointed stars, drawn with the construction lines retained; a heptangle.
(geometry) A polygon with seven sides and seven angles.
(rare) A heptagon.
A plane figure consisting of seven sides and having seven angles.
A heptagram, septagram, septegram or septogram is a seven-point star drawn with seven straight strokes. The name heptagram combines a numeral prefix, hepta-, with the Greek suffix -gram.
a seven-sided polygon
a plane figure with seven straight sides and angles.
In geometry, a heptagon is a seven-sided polygon or 7-gon. The heptagon is sometimes referred to as the septagon, using (an elision of septua-, a Latin-derived numerical prefix, rather than hepta-, a Greek-derived numerical prefix; both are cognate) together with the Greek suffix meaning angle.