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Synonyms

arms

British  
/ ɑːmz /

plural noun

  1. weapons collectively See also small arms

  2. military exploits

    prowess in arms

  3. the official heraldic symbols of a family, state, etc, including a shield with distinctive devices, and often supports, a crest, or other insignia

    1. to carry weapons

    2. to serve in the armed forces

    3. to have a coat of arms

  4. armed and prepared for war

  5. to stop fighting; surrender

  6. military

    1. a position of salute in which the rifle is brought up to a position vertically in line with the body, muzzle uppermost and trigger guard to the fore

    2. the command for this drill

  7. to prepare to fight

  8. arm yourselves!

  9. indignant; prepared to protest strongly

"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

Etymology

Origin of arms

C13: from Old French armes, from Latin arma; see arm ²

Explanation

Arms are weapons. If a rebel group starts acquiring arms, it becomes a clear threat to its opponents. If you hear references on the news to "the arms race" or "arms exports," you know the subject is guns, bombs, bullets, and other weapons and ammunition. Any country with an army has some quantity of arms that can be used for self defense or military actions. In 1300, it was armes, "weapons of a warrior," from the Latin arma, "weapons," and also "tools of war."

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Vocabulary lists containing arms

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

When Putin last visited Beijing in September 2025, Xi welcomed him with open arms as an "old friend" -- language the Chinese leader did not extend to Trump last week.

From Barron's • May 19, 2026

He gives the example of Xi's trip to Moscow in 2023, in which China's president was reported to have urged Putin not to use nuclear arms in Ukraine.

From BBC • May 18, 2026

Standing in front of the post office in Alhambra, the 52-year-old paddled her arms as though to keep from sinking.

From Los Angeles Times • May 17, 2026

“She made a beeline for me and sort of opened her arms and said, ‘I love…’ And I thought she was going to say, ‘your performance,’ because we were at the premiere party.

From The Wall Street Journal • May 17, 2026

Then I shake out my arms and legs before I dive off, slicing through the water’s surface with my fingertips.

From "Red Flags and Butterflies" by Sheryl Azzam

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