a place of storage or a magazine containing arms and military equipment for land or naval service.
a government establishment where military equipment or munitions are manufactured.
a collection or supply of weapons or munitions.
a collection or supply of anything; store: He came to the meeting with an impressive arsenal of new research data.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use arsenal in a sentence
Just get one or two for the whole family to share at first—you can always expand your gear arsenal later.
Caroline pointed out in May that the best way to slow the spread of the virus would be to deploy “the oldest mitigation tactics in the public health arsenal.”America Is About to Lose Its 200,000th Life to Coronavirus. How Many More Have to Die? | by Stephen Engelberg | September 14, 2020 | ProPublica
There’s a reason why networking is touted as one of the best tools a businesswoman can have in her career arsenal.Networking 101: Why Working Together Creates More Opportunity Than Working Apart | Shantel Holder | September 4, 2020 | Essence.com
There remains a whole lot of research that must be done to understand and improve the digital arsenal for both this pandemic and the next.Contact tracing apps are only one part of the pandemic fight | Patrick O'Neill | August 19, 2020 | MIT Technology Review
The stealthy new arsenal makes it extraordinarily difficult to hold hacking companies and intelligence agencies accountable when human rights abuses occur.The man who built a spyware empire says it’s time to come out of the shadows | Bobbie Johnson | August 19, 2020 | MIT Technology Review
But now he was home at his party headquarters in a 200-year-old fortress turned art gallery called the Mystetskiy arsenal.
Joint development of an arsenal of Awe should become a priority for both countries.Memo to Bibi Netanyahu: It’s Time to Build an Arsenal of Awe | Lloyd Green | December 2, 2013 | THE DAILY BEAST
The arsenal was the main employer in Woolwich, but it was shut down after WWII when the Empire disappeared and the army shrunk.Welcome to Woolwich, Where English Terrorists Say Sorry While They Murder | Peter Pomerantsev | May 23, 2013 | THE DAILY BEAST
The arsenal has been converted to “Manhattan style, loft apartments,” the vast majority still unsold.Welcome to Woolwich, Where English Terrorists Say Sorry While They Murder | Peter Pomerantsev | May 23, 2013 | THE DAILY BEAST
Sales have doubled over the past week at Blue Ridge arsenal in Chantilly, Va., according to store manager Donnel Dover.Annie, Get Your Gun! School Shooting Sparks Run on Firearms Sales | Matthew DeLuca | December 20, 2012 | THE DAILY BEAST
The Americans demanded the surrender of the arsenal, the Admiral, and the surviving crews of the destroyed fleet.The Philippine Islands | John Foreman
In two months' time a thousand bombs will be ready at the Japanese arsenal, and five hundred the following month.Gallipoli Diary, Volume I | Ian Hamilton
Seven or eight days ago, a man having received behind the arsenal a stab with a knife, I sewed up the wound, and cured him.Chicot the Jester | Alexandre Dumas, Pere
They broke the locks with tools, captured Whelan, and took possession of the Armory and also of the arsenal outside.The Raid of John Brown at Harper's Ferry as I Saw It | Rev. Samuel Vanderlip Leech
Main arsenal is on a bluff overlooking the city, and is one hundred and sixty feet above the river.Ocean to Ocean on Horseback | Willard Glazier
British Dictionary definitions for arsenal
a store for arms, ammunition, and other military items
a workshop or factory that produces munitions
a store of anything regarded as weapons: an arsenal of destructive arguments
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012