rook

definition: common gregarious Old World bird about the size and color of the American crow
example:
speech part: noun
synonyms:
definition: (chess) the piece that can move any number of unoccupied squares in a direction parallel to the sides of the chessboard
example:
speech part: noun
synonyms: castle
definition: deprive of by deceit
example:
speech part: verb
synonyms: scam

How rook is being used?