What does "spurge" mean?

Spurge: To emit foam; to froth; -- said of the emission of yeast from beer in course of fermentation. [Obs.] W. Cartright.

Additional senses

  1. 2.Any plant of the genus Euphobia. See Euphorbia. Spurge flax, an evergreen shrub (Daphne Gnidium) with crowded narrow leaves. It is native of Southern Europe. -- Spurge laurel, a European shrub (Daphne Laureola) with oblong evergreen leaves. -- Spurge nettle. See under Nettle. -- Spurge olive, an evergreen shrub (Daphne oleoides) found in the Mediterranean region.

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