b. One of the galleries or tiers of seats in a theatre; the lowest, containing the most expensive seats, is called the dress circle; that above, the upper circle or family circle.
ΚΠ
1878 N. Amer. Rev.127 484 There they sit in splendid array, in the dress-circle, close to the royal box.
extracted from circlen.
upper circle
upper circlen. the tier of seats above the dress circle in a theatre; cf. circlen. 11b.extracted from upperadj.