dipsacus

Century Dictionary and Cyclopedia

1. n. A small genus of prickly biennial plants, of about a dozen species, the type of natural order Dipsacaceæ. The principal species is D. fullonum, the fullers' teazel, the prickly flower-heads of which are used to raise a nap on woolen cloth. See teazel.
2. n. In conchology, an old genus of gastropods: same as Eburna.

WordNet 3.0

1. n. type genus of the Dipsacaceae: teasel