Definition of groundsel in English:

groundsel

Syllabification: ground·sel
Pronunciation: /ˈgroun(d)səl
 
/

noun

1A widely distributed plant of the daisy family, with yellow rayless flowers.
  • Genus Senecio, family Compositae: several species, in particular the common groundsel (S. vulgaris), which is a common weed. See also giant groundsel
More example sentences
  • In the last analysis, groundsels breeding groundsels is not evolution - that's groundless!
  • While studying a drab little plant called the groundsel, he was struck by the fact that plants of the same genetic variety could look very different in different environments.
  • The image, of a groundsel, shows Britain's newest species of plant - found next to the railway station car park in York.
2 variant spelling of groundsill.

Origin

Old English gundæswelgiæ (later grundeswylige), probably from gund 'pus' + swelgan 'to swallow' (with reference to its use in poultices). The later form may be by association with ground1, and refer to the plant's rapid growth.

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