also: ひんがしのたい
noun
eastern side house (traditional palatial-style architecture)
Refers to the eastern wing or building in a shinden-zukuri (寝殿造) style aristocratic residence. A historical architectural term.
See also: 寝殿造
寝殿造では、東の対は主殿の東側に配置された。
In shinden-zukuri, the eastern side house was placed to the east of the main hall.
東の対は、主に家族や使用人の居住空間として使われた。
The eastern side house was mainly used as living quarters for family and servants.
From 東 (east) + の (possessive particle) + 対 (side house, wing). The reading ひんがし is an older or dialectal form of ひがし.