1 [C,usually sing.] the continuous firing of a large number of guns in a particular direction, especially to protect soldiers while they are attacking or moving towards the enemy:
an artillery barrage from at least 1000 guns
2 [sing.] ~ (of sth) a large number of sth, such as questions or comments, that are directed at sb very quickly, one after the other, often in an aggressive way:
a barrage of questions / criticisms / complaints * the media's barrage of attacks on the President's wife
3 / AmE speakerba:rIdzh/ [C] a wall or barrier built across a river to store water, prevent a flood, etc.
