1 rare The plant tormentil, Potentilla erecta. In later use more widely: any of several plants of (or formerly included in) the genus Potentilla.
Now chiefly in lists of alternative names for these plants.
An ornamental design with seven foils. Also (chiefly Heraldry): a design with seven leaves or lobes radiating from a common centre.
Ornamented with or formed of seven foils.
Old English; earliest use found in Pseudo-Apuleius' Herbarium. In some forms from post-classical Latin septefolium tormentil from classical Latin septi- + folium, after ancient Greek ἑπτάϕυλλον.