ἡμίκυκλος
From LSJ
τὸ ἀνάλημμα καὶ τὴν ἐπ' αὐτοῦ κερκίδα → the retaining wall and the wedge of theatre seats supported by it
English (LSJ)
ον,
A v. ἡμικύκλιος.
German (Pape)
[Seite 1168] = ἡμικύκλιος, ἑλιγμός Heliod. 8, 14 u. a. Sp.; obwohl Schäfer zum Schol. Ap. Rh. a. a. O. das Wort verwirft.