cross-check • v. [tr.] 1. verify (figures or information) by using an alternative source or method: always try to cross-check your bearings | [as n.] (cross-checking) no cross-checking has been done. 2. Ice Hockey obstruct (an opponent) illegally with the stick held horizontally in both hands.• n. 1. an instance of verifying something by using an alternative source or method.2. Ice Hockey an illegal obstruction using the stick held horizontally in both hands.