Entry 1 sense Webster, 1913 Depositor /(dē̇*pŏz"ĭ*tẽr)/ · De·pos·i·tor · IPA /dəpˈɑzɪtər/ 01 n. One who makes a deposit, especially of money in a bank; -- the correlative of depository. 1. One who makes a deposit, especially of money in a bank; -- the correlative of depository.