[wish.bone] n [fr. the superstition that when two persons pull it apart the one getting the longer fragment will have a wish granted] (1853) 1: a forked bone in front of the breastbone in a bird consisting chiefly of the two clavicles fused at their median or lower end
2: a variation of the T formation in which the halfbacks line up farther from the line of scrimmage than the fullback does