Heptagon

['heptəg(ə)n] or ['hɛptəɡɑn]

解释:

(noun.) a seven-sided polygon.

安吉洛手打--From WordNet

解释:

(n.) A plane figure consisting of seven sides and having seven angles.

编辑:丽诺尔

解释:

n. a plane figure with seven angles and seven sides.—adj. Heptag′onal.

编辑:维尔玛