n. & v.
n. 1 a black European and Asiatic bird, Corvus frugilegus, of the crow family, nesting in colonies in tree-tops. 2 a sharper, esp. at dice or cards; a person who lives off inexperienced gamblers etc.
v.tr. 1 charge (a customer) extortionately. 2 win money from (a person) at cards etc. esp. by swindling.
[ OE hroc ]