ἡμιτετράγωνος

ον
A. forming half a square, of the isosceles right-angled triangle, Speus. ap.Theol.Ar. 63, Ti.Locr. 98a, 98b, Simp. in Cael. 638.3.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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