noun
shogi piece
Refers to a single piece used in the game of shogi (Japanese chess).
将棋駒を一つずつ並べる。
I line up the shogi pieces one by one.
駒 is a general term for a piece in board games like shogi or chess; 将棋駒 explicitly specifies shogi pieces.
Compound of 将棋 (shogi) and 駒 (piece).