Deputation \Dep`u*ta"tion\, n. [Cf. F. d['e]putation. See Depute.]

1. The act of deputing, or of appointing or commissioning a deputy or representative; office of a deputy or delegate; vicegerency.

The authority of conscience stands founded upon its vicegerency and deputation under God. --South.

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.

By deputation, or In deputation, by delegated authority; as substitute; through the medium of a deputy. [Obs.]

Say to great C[ae]sar this: In deputation I kiss his conquering hand. --Shak.

Source: Webster's Revised Unabridged Dictionary (1913)