Refers to a wall made of stones, often used in traditional Japanese castle walls, garden walls, or retaining walls. The reading いしがけ is a less common variant.
この城の石垣は400年前に築かれた。
The stone walls of this castle were built 400 years ago.
庭の石垣に苔が生えている。
Moss is growing on the garden's stone wall.
The craftsmen built a stone wall around the castle.
In this region, they stack large stones to make stone walls.
The old stone wall collapsed in the earthquake.
The children were playing by climbing on the castle's stone wall.
Rarely used kanji form; 崖 means 'cliff' and is not standard for this word.