Source : Webster's Revised Unabridged Dictionary (1913)

Caper \Ca"per\, n. [F. c[^a]pre, fr. L. capparis, Gr. ?; cf. Ar.
   & Per. al-kabar.]
   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 {C. sodada} is an almost leafless
         spiny shrub of central Africa (Soudan), Arabia, and
         southern India, with edible berries.

   {Bean caper}. See {Bran caper}, in the {Vocabulary}.

   {Caper sauce}, a kind of sauce or catchup made of capers.

Caper \Ca"per\, n. [F. c[^a]pre, fr. L. capparis, Gr. ?; cf. Ar.
   & Per. al-kabar.]
   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 {C. sodada} is an almost leafless
         spiny shrub of central Africa (Soudan), Arabia, and
         southern India, with edible berries.

   {Bean caper}. See {Bran caper}, in the {Vocabulary}.

   {Caper sauce}, a kind of sauce or catchup made of capers.

Hyssop \Hys"sop\, n. [OE. hysope, ysope, OF. ysope, F. hysope,
   hyssope, L. hysopum, hyssopum, hyssopus, Gr. ?, ?, an
   aromatic plant, fr. Heb. [=e]sov.]
   A plant ({Hyssopus officinalis}). The leaves have an aromatic
   smell, and a warm, pungent taste.

   Note: The hyssop of Scripture is supposed to be a species of
         caper ({Capparis spinosa}), but probably the name was
         used for several different plants.

Source : WordNet®

Capparis spinosa
     n : prostrate spiny shrub of the Mediterranean region cultivated
         for its greenish flower buds which are pickled [syn: {common
         caper}]