† petasite Herb. Obs.
[ad. Bot.L. Petasītēs, Gr. πετασίτης, f. πέτασος petasus.]
The Butterbur or Pestilence-wort, Petasites vulgaris.
| 1771 Gentl. Mag. XLI. 521/1 The autumnal fevers..have gone off very easy this season, by the use of Petasite root. |