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Noun: onrush  'ón,rúsh
  1. (military) an offensive against an enemy (using weapons)
    - attack, onslaught, onset
  2. A forceful forward rush or flow
    "from the bow she stared at the mesmerising onrush of the sea where it split and foamed"; "the explosion interrupted the wild onrush of her thoughts"

Derived forms: onrushes

Type of: military operation, op [informal], operation, rush, spate, surge, upsurge, upswell

Encyclopedia: Onrush