heavy artillery

heavy artillery

noun
1.
guns and howitzers of large caliber.
2.
guns and howitzers of 155-mm caliber and larger. Compare light artillery (def. 2), medium artillery.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Slang Dictionary

heavy artillery definition


  1. n.
    powerful or persuasive persons or things. (The same as big gun.) : Finally, the mayor brought out the heavy artillery and quieted things down.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
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