noun
rough-coated wall; roughcast wall
A wall with a rough plaster or mud finish, often seen in traditional Japanese architecture. The term is somewhat specialized.
古い家の荒壁がむき出しになっていた。
The rough-coated wall of the old house was exposed.
荒壁の仕上げには、わらを混ぜた土が使われる。
For the finish of a roughcast wall, soil mixed with straw is used.
Compound of 荒 (rough) and 壁 (wall). The reading あらかべ is a straightforward combination of the kun'yomi readings of the two kanji.