noun
Shogi piece that moves any number of free squares diagonally. Often called 角 for short.
角行は斜めに何マスでも動ける。
The bishop can move any number of squares diagonally.
角行を成ると龍馬になる。
When a bishop promotes, it becomes a dragon horse.
角 (angle, corner) + 行 (go, move), referring to the piece's diagonal movement.