in arms

Definition of in arms

  1. —often used in the brother/sister/comrade in arms to indicate one has helped to fight an enemy especially in a war He and I were brothers in arms.

Word by Word Definitions

armplay arms
  1. :  a human upper limb

    :  the part between the shoulder and the wrist

    :  something like or corresponding to an arm: such as

  1. :  to furnish or equip with weapons

    :  to furnish with something that strengthens or protects

    :  to equip or ready for action or operation

  1. :  a means (such as a weapon) of offense or defense

    :  firearm

    :  a combat branch (as of an army)


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the point at which something begins

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