Meaning ofstrike one's flagin English

Verb

1. to lower a flag (in surrender); yield
   The enemy will strike their flag when they are defeated.
   Synonyms:

   surrendercapitulateyieldgive inthrow in the towel
   Antonyms:

   raise one's flagresistdefyrefuse to yieldhold out
2. to give up or surrender (a position, claim)
   The company had to strike its flag and abandon its claim to the patent.
   Synonyms:

   surrenderyieldrelinquishabandoncedecapitulateconcede
   Antonyms:

   assertclaimdefendmaintainuphold