Deputation

n.
  1. The act of deputing, or of appointing or commissioning a deputy or representative; office of a deputy or delegate; vicegerency.
  2. The person or persons deputed or commissioned by another person, party, or public body to act in his or its behalf; delegation; as, the general sent a deputation to the enemy to propose a truce.
    3. By deputation, or In deputation ,
    by delegated authority; as substitute; through the medium of a deputy.