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tea·sel | \ ˈtē-zəl 
\
\Definition of teasel
(Entry 1 of 2)
1a : an Old World prickly herb (Dipsacus fullonum of the family Dipsacaceae, the teasel family) with flower heads that are covered with stiff hooked bracts and were used especially formerly in the woolen industry
— called also fuller's teasel
b : a plant of the same genus as the teasel
2a : a flower head of the fuller's teasel used when dried to raise a nap on woolen cloth
b : a wire substitute for the teasel
teasel
verbteaseled or teaselled; teaseling or teaselling\ ˈtēz-liŋ , ˈtē-zə- \
, ˈtē-zə- \Definition of teasel (Entry 2 of 2)
: to nap (cloth) with teasels
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The first known use of teasel was before the 12th century
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