From WordNet (r) 3.0 (2006):
rook
n 1: (chess) the piece that can move any number of unoccupied
squares in a direction parallel to the sides of the
chessboard [syn: castle, rook]
2: common gregarious Old World bird about the size and color of
the American crow [syn: rook, Corvus frugilegus]
v 1: deprive of by deceit; "He swindled me out of my
inheritance"; "She defrauded the customers who trusted
her"; "the cashier gypped me when he gave me too little
change" [syn: victimize, swindle, rook, goldbrick,
nobble, diddle, bunco, defraud, scam, mulct,
gyp, gip, hornswoggle, short-change, con]