Definition of spurges:
(n) :
Any plant of the genus Euphorbia, a diverse genus of over 2,000 species.
(n) :
Any plant of the spurge family, Euphorbiaceae.
(n) :
A plant resembling those in genus Euphorbia in some aspect of its appearance.
(v) :
(intransitive) To emit foam; to froth; said of the emission of yeast from beer during fermentation.