Davy Jones n. The spirit of the sea; sea devil; a term used by sailors. "This same Davy Jones, according to the mythology of sailors, is the fiend that presides over all the evil spirits of the deep, and is seen in various shapes warning the devoted wretch of death and woe."
Davy Jones's Locker, the ocean, or bottom of the ocean.
Gone to Davy Jones's Locker, dead, and buried in the sea; thrown overboard.
Locker n.
1.
One who, or that which, locks.
2.
A drawer, cupboard, compartment, or chest, esp. one in a ship, that may be closed with a lock.
Chain locker (Naut.), a compartment in the hold of a vessel, for holding the chain cables.
Davy Jones's locker, or Davy's locker. See Davy Jones.
Shot locker, a compartment where shot are deposited.
... somebody's got a hatchet near by, or some lubber's throwed a chain down by the binnacle, or some darned thing's got inside on't, or it's shipped a sea an' got rusted; but there's allers the Dipper an' the North Star; they're allers true to their bearin's, and you can't go to Davy Jones's locker for want of a light'us so long's they're ahead. I calk'late its jes' so about this king-talk; orders is very well when they a'n't agin common sense an' the rights o' natur; but you see, George Tucker, folks will go 'cordin to natur an' reason, ef there's ... — The Atlantic Monthly, Vol. I, No. 1, Nov. 1857 • Various