quadrangulum
From LSJ
τὸ ἀνάλημμα καὶ τὴν ἐπ' αὐτοῦ κερκίδα → the retaining wall and the wedge of theatre seats supported by it
Latin > English
quadrangulum quadranguli N N :: quadrangle, plane figure having four sides
Latin > English (Lewis & Short)
quā̆drangŭlum: i, n. quattuor-angulus,
I a quadrangle: quadrangulum, τετράγωνον,> Gloss. Lat. Gr.; Mart. Cap. 7, § 754 (dub.; al. quadriangulo).
Latin > German (Georges)
quadrangulum, ī, n. (quattuor u. angulus), das Viereck, Varro sat. Men. 385. Vgl. quadriangulus.