/but"euhr weed'/ , n.
1. any wild plant having conspicuously yellow flowers or leaves.
2. the horseweed.
3. a ragwort ( Senecio jacobaea ) or groundsel ( S. vulgaris ), both having yellow ray flowers.
[ 1885-90; BUTTER + WEED 1 ]
/but"euhr weed'/ , n.
1. any wild plant having conspicuously yellow flowers or leaves.
2. the horseweed.
3. a ragwort ( Senecio jacobaea ) or groundsel ( S. vulgaris ), both having yellow ray flowers.
[ 1885-90; BUTTER + WEED 1 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012