廓
also: かく
く
る
わ
Meanings
1
General term for a demarcated area or quarter within a larger settlement, often historical.
There was a samurai quarter in the castle town.
2
enclosure; earthwork enclosure
Specifically refers to an area enclosed by earthen walls or moats, common in Japanese castle architecture.
The honmaru is the central enclosure of the castle.
3
Historical term for a licensed pleasure quarter, such as Yoshiwara in Edo.
In the Edo period, Yoshiwara was a famous red-light district.
4
wide and empty
Only when written 廓 · Only with reading かく
Rare prefix or suffix meaning 'wide and empty', used only with the kanji 廓 and reading かく. Found in a few compounds like 廓然.
廓然 is read かくぜん and describes a wide, empty state.