|1.||[ noun ] (military) an offensive against and enemy (using weapons)|
|Synonyms:||attack onslaught onset|
"the attack began at dawn"
|Related terms:||operation strike fire charge bombing penetration counterattack diversion blitz banzai_attack surprise_attack ground_attack strafe assault military|
|2.||[ noun ] 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"