ἑπτάγωνος

ον, τά
A. heptagonal, ἀριθμός Nicom. Ar. 2.7,11.
II. ἑπτάγωνα,τά, certain musical instruments, Arist. Pol. 1341a41.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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