The Collaborative International Dictionary of English v.0.48:
Depositary \De*pos"i*ta*ry\, n.; pl. Depositaries. [L.
depositarius, fr. deponere. See Deposit.]
1. One with whom anything is lodged in the trust; one who
receives a deposit; -- the correlative of depositor.
I . . . made you my guardians, my depositaries.
The depositaries of power, who are mere delegates of
the people. --J. S. Mill.
2. A storehouse; a depository. --Bp. Hurd.
3. (Law) One to whom goods are bailed, to be kept for the
bailor without a recompense. --Kent.