Bible Dictionaries
Knapweed

Webster's Dictionary

(n.) The black centaury (Centaurea nigra); - so called from the knoblike heads of flowers. Called also bullweed.

Bibliography Information
Webster, Noah. Entry for 'Knapweed'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​k/knapweed.html. 1828.