Teaseling

tea·sel  (tzl)

n.

1. Any of several plants of the genus Dipsacus, native to the Old World, having flower heads surrounded by spiny bracts.

2.

a. The bristly flower head of D. sativus, used to produce a napped surface on wool and other fabrics.

b. A wire device used to produce a napped surface.

tr.v. tea·seled or tea·selled, tea·sel·ing or tea·sel·ling, tea·sels

To produce a napped surface on (a fabric).

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[Middle English tesel, from Old English tsel.]