KNAPWEED

knapweed

(noun) any of various plants of the genus Centaurea having purple thistlelike flowers

Source: WordNet® 3.1


Etymology

Noun

knapweed (countable and uncountable, plural knapweeds)

Any of various common weeds of the genus Centaurea

especially Centaurea nigra.

Source: Wiktionary


Knap"weed`, n. (Bot.)

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

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

17 March 2025

PARAMAGNET

(noun) magnet made of a substance whose magnetization is proportional to the strength of the magnetic field applied to it


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Coffee Trivia

In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.

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