Emily Dickinson Lexicon

CASH-IER', n. [Fr. caissier; It. cassiere; Sp. caxero; Port. caxeiro; from caxa, a box, whence cash.]

One who has charge of money; a cash-keeper. In a banking institution, the cashier is the officer who superintends the books, payments and receipts of the bank. He also signs or countersigns the notes, and superintends all the transactions, under the order of the directors.