1.The pungent grayish green flower bud of the European and Oriental caper (Capparis spinosa), much used for pickles.
2.(Bot.) A plant of the genus Capparis; called also caper bush, caper tree. Note: The Capparis spinosa is a low prickly shrub of the Mediterranean coasts, with trailing branches and brilliant flowers; cultivated in the south of Europe for its buds. The Capparis sodada is an almost leafless spiny shrub of central Africa (Soudan), Arabia, and southern India, with edible berries.
