συνοίκια
τά
A.
a public feast in memory of Theseus' uniting all the towns of Attica into a single city-state, celebrated on the 17th Boëdromion, Th. 2.15, IG 12.188.60 (prob.), St.Byz. s.v. Ἀθῆναι.
II.
sg. συνοίκιον,τό, a joint lodging, Petron. 93 (in Lat. form synoecium).