noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of various herbaceous flowering plants in the genus Conyza or Erigeron. countable, uncountable
2. 2
   any of several yellow-flowered plants of the genus Packera; often placed in genus Senecio wordnet
3. 3
   American ragwort with yellow flowers wordnet

Synonyms

All synonyms

ragwortsenecio glabellus

Etymology

From butter + weed.