Lewis & Short

cappăris, is, f. (acc. -im, Plaut. Curc. 1, 1, 90; Varr. ap. Charis. p. 79 P.; acc. -in, Mart. 3, 77; Cels. 4, 9), and (rare) cappă-ri, indecl. n., = κάππαρις or κάππαρι,

  1. I. the caper-bush, Col. 11, 3, 17; 11, 3, 54; Plin. 13, 23, 44, § 127; Pall. Oct. 11, 4: capparis cortex, Cels. 5, 17, 19.
  2. II. The fruit of the caper-bush, the caper, Plaut. l. l.: capparin et cepas voras, Mart. l. l.: urinam movet, Cels. 2, 31.