crosswedge noun2 •A wedge that is driven crosswise.He had trimmed the ends of the axle log into rough rounds, and once the wheels were in place split the ends and placed crosswedges in them. — 1988 •A wedge-shaped waveform that moves in the cross direction to the current.Thus analytical surface wave solutions are available to describe waves that are either progressive or trapped in the crosswedge direction. — 2012