armed
I
 /ˈɑɚmd/  adj  
  1 : involving the use of weapons
   They planned an armed attack/assault on the country's capital.
   the threat of armed conflict
   armed uprisings
   He's serving eight years for armed robbery. [=robbery while carrying a gun or other weapon]
  — opposite unarmed, — see also armed forces
  2 : carrying weapons
   The building is surrounded by armed guards/soldiers.
   an armed robber
   He wasn't armed at the time. [=he wasn't carrying a gun]
   The police said that the thieves should be considered armed and dangerous.
   a group of heavily armed men [=men who are carrying many dangerous weapons]
   The police were armed to the teeth. [=the police had many weapons]
  — often + with
   The car was armed with explosives.
   airplanes armed with bombs
   The robber was armed with a knife.
  opposite unarmed
  3 : having something that provides security or strength
  — usually + with
   We went into the forest armed with food, extra clothes, and lots of bug spray.
   journalists armed with cameras and notebooks
   students armed with the knowledge they would need to succeed in the world
 — compare armed, 2
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II
  adj  
  : having arms of a specific kind or number
  — used in combination
   a one-armed man
   a long-armed boxer
 — compare armed, 1