stand to (attention)

stand to (attention)

1. To be or become ready for an attack. We were all told to stand to after receiving word that the enemy was preparing to launch an offensive just before dawn.
2. To quickly assume military attention. You become trained to stand to attention when a superior officer enters the room. I quickly stood to, but the general told me to be at ease.
See also: stand
Farlex Dictionary of Idioms.

stand to

v.
To take up positions for military action: Upon hearing gunfire, the soldiers stood to.
See also: stand
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • firing line
  • gain ground on (someone or something)
  • (with)in striking distance
  • proceed
  • proceed against
  • proceed against (someone or something)
  • proceeding
  • boots on the ground
  • bombard (one) with (something)
  • bombard with