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The white substance, consisting of an aggregation of bubbles,
which is formed on the surface of liquids, or in the mouth of an
animal, by violent agitation or fermentation; froth; spume; scum; as,
the foam of the sea. |
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To gather foam; to froth; as, the billows foam. |
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To form foam, or become filled with foam; -- said of a steam
boiler when the water is unduly agitated and frothy, as because of
chemical action. |
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To cause to foam; as,to foam the goblet; also (with out),
to throw out with rage or violence, as foam. |