Feverfew \Fe"ver*few\, n. [AS. feferfuge, fr. L. febrifugia. See fever, Fugitive, and cf. Febrifuge.]

(Bot.) A perennial plant (Pyrethrum, or Chrysanthemum, Parthenium) allied to camomile, having finely divided leaves and white blossoms; -- so named from its supposed febrifugal qualities.

Source: Webster's Revised Unabridged Dictionary (1913)