Cashier, n.
Etymology: [F. caissier, fr. caisse. See Cash.]
One who has charge of money; a cash keeper; the officer who has charge of the payments and receipts (moneys, checks, notes), of a bank or a mercantile company.
1 other Webster entry under this spelling
Cashier, v. t. [imp. & p. p. Cahiered; p. pr. &vb. n. Cashiering.]
1. To dismiss or discard; to discharge; to dismiss with ignominy from military service or from an office or place of frust. They have cashiered several of their followers. Addison. He had insolence to cashier the captain of the lord lieutenant's own body guard. Macaulay.
2. To put away or reject; to disregard. [R.] Connections formed for interest, and endeared By selfish views, [are] censured and cashiered. Cowper. They absolutely cashier the literal express sense of the words. Sowth.
Shades of meaning
Fernald has no entry of its own for cashier; he lists it under break.
He lists it without comment; the entries above explain its neighbors.