Definition of stand to in English:

stand to

phrasal verb

Military
  • [often in imperative] Stand ready for an attack, especially one before dawn or after dark.

    • ‘The defenders were ordered to stand to.’
    • ‘All British battalions in the front line of 28th Division were ordered to ‘stand to’.’
    • ‘‘Stand to!’ shouted the Corporal.’
    • ‘Ordered to ‘stand-to!’ just before dawn, the men would be assigned to stand on the fire step dug into the wall of the trench.’