Definition of: teasel

(tē′zəl) noun
1. A coarse, prickly Old World herb (genus Dipsacus) of which the flower head is covered with hooked bracts, especially the fuller's teasel (D. fullonum).
2. The rough bur of this plant, or a mechanical substitute: used in dressing cloth.
—v.t. ·seled or ·selled, ·sel·ing or ·sel·ling To use a teasel on; raise the nap of with a teasel. Also tea′zel, tea′zle. [OE tsel]
—tea′sel·er or tea′sel·ler noun
TEASEL
(Plant to 5 feet or more)