cross' buck" Football.
an offensive play in which two running backs cross paths and charge into the line on opposite sides, one back receiving the ball from the quarterback and the other back faking possession.
cross•buckPronunciation: (krôs'buk", kros'-), [key]
-shaped warning symbol for vehicular traffic at a railroad grade crossing.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.