lay down one's arms

• lay down arms

lay down one's arms (third-person singular simple present lays down one's arms, present participle laying down one's arms, simple past and past participle laid down one's arms)

1. To discard one's weapons and cease fighting.

   Synonym: lay down one's weapons

   Antonym: take up arms

• “lay down one’s arms”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
• “lay down your arms”, in Collins English Dictionary.
• “lay down your arms” (US) / “lay down your arms” (UK) in Macmillan English Dictionary.
• “lay down one's arms”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.