v. t. [ Etymol. uncertain. ] To emit foam; to froth; -- said of the emission of yeast from beer in course of fermentation. [ Obs. ] W. Cartright. [ 1913 Webster ]
n. [ OF. espurge, F. épurge, from OF. espurgier to purge, L. expurgare. See Expurgate, Purge. ] (Bot.) Any plant of the genus Euphorbia. See Euphorbia. [ 1913 Webster ]
Spurge flax,
Spurge laurel,
Spurge nettle.
Spurge olive,
n. (Bot.) Any euphorbiaceous plant. Lindley. [ 1913 Webster ]