Lewis & Short

dēpŏsĭtor, ōris, m. [depono] (post-Aug. and very rare).

  1. I. One who deposits a thing for safe-keeping, a depositor, Dig. 16, 3, 1, § 37.
  2. II. One who disowns or disclaims: patris natique, Prud. Apoth. 179.