Definition of spume in US English:

spume

noun

literary
  • Froth or foam, especially that found on waves.

    • ‘When the towering pinnacles of Ben Mor and the Karakora Ranges loomed up across the spume, all aboard felt relief.’
    • ‘They waded into the shallow waves and their dresses billowed in the spume.’
    • ‘Beyond them a tail of white spume rose into the air as the river cascaded over jutting black rocks.’
    • ‘The late winter sun was shining brightly and big waves hurled themselves against the rocks, sending sheets of white spume up along the cliffs.’
    • ‘Today, the waves are no more than white flecks of spume, gently nudging their way to shore.’
    foam, froth, surf, spindrift, spray
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verb

[no object]literary
  • Form or produce a mass of froth or foam.

    ‘water was spuming under the mill’
    • ‘Lightening crashed, thunder rolled, ash and molten lava spumed from the mountains.’
    • ‘It was a cold, clear night and the sea was beginning to fret, spuming over the harbour walls.’
    froth, froth up, cream, bubble, fizz, effervesce, spume, lather, ferment, rise, boil, seethe, simmer
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Origin

Late Middle English: from Old French ( e)spume or Latin spuma.

Pronunciation

spume

/spjum//spyo͞om/