(n.) The god of the great outer sea, or the river which was believed to flow around the whole earth.

Davy Davy Jones Dylan Neptune Nereid Nereus Oceanid Poseidon Thetis Triton Varuna fresh-water nymph kelpie limniad man fish mermaid merman naiad nix nixie ocean nymph sea devil sea god sea nymph sea-maid sea-maiden seaman siren undine water god water spirit water sprite