楔 (w)

(xiē) to wedge; wedge

楔子 (w)

(xiēzi) wedge; peg; stopper; prologue (in some modern novels); prologue or interlude in Yuan dynasty drama

楔形 (w)

(xiēxíng) cuneiform (letters); wedge-shape

楔形文字 (w)

(xiēxíngwénzì) cuneiform (Babylonian script)

楔形物 (w)

(xiēxíngwù) wedge