wedge
1. wedge \'wej\ n [ME wegge, fr. OE wecg; akin to OHG wecki wedge, Lith vagi]s 1: a piece of a substance (as wood or iron) that tapers to a thin edge and is used for splitting wood and rocks, raising heavy bodies, or for tightening by being driven into something 2a: something (as a policy) causing a breach or separation 2b: something used to initiate an action or development 3: something wedge-shaped : as 3a: an array of troops or tanks in the form of a wedge 3b: the wedge-shaped stroke in cuneiform characters 3c: a shoe having a heel extending from the back of the shoe to the front o f the shank and a tread formed by an extension of the sole 3d: an iron golf club with a broad low-angled face for maximum loft 2. wedge vt 1: to fasten or tighten by driving in a wedge 2: to force (an object) into something for holding tightly : CROWD 3: to separate or force apart with or as if with a wedge : to become wedged
Webster's English Dictionary