rook2
Pronunciation: /rʊk/
noun
- a chess piece, typically with its top in the shape of a battlement, that can move in any direction along a rank or file on which it stands. Each player starts the game with two rooks at opposite ends of the first rank. See also castle.
Origin:
Middle English: from Old French rock, based on Arabic ruḵḵ (of which the sense remains uncertain)