Found 2 items, similar to Anacyclus pyrethrum.
English → English (WordNet) Definition: Anacyclus pyrethrum Anacyclus pyrethrum n : small Mediterranean plant containing a volatile oil once used to relieve toothache [syn: pellitory, pellitory-of-Spain]
English → English (gcide) Definition: Anacyclus pyrethrum 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]