From Longman Dictionary of Contemporary Englishopening salvoopening salvo formalSAY/STATEthe first in a series of questions, statements etc that you use to try to win an argument Congressman Saunders fired the opening salvo during a heated debate on capital punishment. → salvo
Examples from the Corpus
fired the opening salvo• Clinton fired the opening salvo last month when he included tax cuts in his proposed 1997 budget.