What does "deputation" mean?

Deputation: 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. By deputation, or In deputation, by delegated authority; as substitute; through the medium of a deputy. [Obs.] Say to great Cæsar this: In deputation I kiss his conquering hand. Shak.