Hĕp'ta-gōn, n.
n. [Fr. heptagone; Gr. ἑπτάγωνος, seven-cornered, from ἑπτά, seven, and γωνία, angle.] (Geom.) A plane figure consisting of seven sides and as many angles.
n. [Fr. heptagone; Gr. ἑπτάγωνος, seven-cornered, from ἑπτά, seven, and γωνία, angle.] (Geom.) A plane figure consisting of seven sides and as many angles.