From Middle English tesel, tasil, tasel, tosel, from Old English tǣsel, tǣsl, from Proto-Germanic *taisilō, *taislō (“thistle”), from Proto-Indo-European *dāy- (“to separate, divide”). Cognate with Scots tasil, tassill (“teasel”), German Zeisel (“thistle, teasel”). Related to tease.
- Rhymes: -iːzəl
teasel (plural teasels)
- Any of several plants of the genus Dipsacus.
- The dried flower head of the fuller's teasel, Dipsacus fullonum, used for teasing or carding cloth.
- Any contrivance intended as a substitute for teasels in dressing cloth.