knapweed
(noun) any of various plants of the genus Centaurea having purple thistlelike flowers
Source: WordNet® 3.1
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
27 June 2025
(adjective) having four equal sides and four right angles or forming a right angle; “a square peg in a round hole”; “a square corner”
The earliest credible evidence of coffee-drinking as the modern beverage appeared in modern-day Yemen. In the middle of the 15th century in Sufi shrines where coffee seeds were first roasted and brewed for drinking. The Yemenis procured the coffee beans from the Ethiopian Highlands.
