GRC

δεκαγώνιον

download
JSON

LSJ

τό, and δεκάγωνον, τό, decagon, Hero Geom. 21.21, Stereom. 2.63, Ptol. Alm. 1.10. Adj. δεκάγωνος, ον, ἄριθμοί Theo Sm. p. 40H.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
memory