1. 秃鼻乌鸦
A rook is a large black bird. Rooks are members of the crow family.

2. (国际象棋中的)车
In chess, a rook is one of the chess pieces which stand in the corners of the board at the beginning of a game. Rooks can move forwards, backwards, or sideways, but not diagonally.

1. common gregarious Old World bird about the size and color of the American crow

Synonym: Corvus frugilegus

2. (chess) the piece that can move any number of unoccupied squares in a direction parallel to the sides of the chessboard

Synonym: castle