anacyclus pyrethrum

4 definitions found

anacyclus pyrethrum - Collaborative International Dictionary of English v.0.48 :

  Pellitory \Pel"li*to*ry\, n. [Sp. pelitre, fr. L. pyrethrum. See
     Bertram.] (Bot.)
     (a) A composite plant (Anacyclus Pyrethrum) of the
         Mediterranean region, having finely divided leaves and
         whitish flowers. The root is the officinal pellitory, and
         is used as an irritant and sialogogue. Called also
         bertram, and pellitory of Spain.
     (b) The feverfew (Chrysanthemum Parthenium); -- so called
         because it resembles the above.
         [1913 Webster]

  Pyrethrine \Pyr"eth*rine\, n. (Chem.)
     An alkaloid extracted from the root of the pellitory of Spain
     (Anacyclus pyrethrum).
     [1913 Webster]

  Bertram \Ber"tram\, n. [Corrupted fr. L. pyrethrum, Gr. ? a hot
     spicy plant, fr. ? fire.] (Bot.)
     Pellitory of Spain (Anacyclus pyrethrum).
     [1913 Webster]

anacyclus pyrethrum - WordNet (r) 2.1 (2005) :

  Anacyclus pyrethrum
      n 1: a small Mediterranean plant containing a volatile oil once
           used to relieve toothache [syn: pellitory, pellitory-of- Spain
           , Anacyclus pyrethrum]