cross-check — If you cross-check information, you check that it is correct using a different method or source from the one originally used to obtain it.
crosscheck — to verify (a fact, report, etc) by considering conflicting opinions or consulting other sources
verb vetting
clock — A clock is an instrument, for example in a room or on the outside of a building, that shows what time of day it is.
gun — Also called gin rummy. a variety of rummy for two players, in which a player with 10 or fewer points in unmatched cards can end the game by laying down the hand.
