Any very large ray, especially any species of the genus Manta or Cephaloptera, some of which become more than twenty feet across and weigh several tons. See also Ox ray, under Ox.
(b)
Any large cephalopod, as a large Octopus, or a giant squid (Architeuthis). See Devilfish.
... the spirit of the sea, or the sea devil, and Davy Jones's locker is the bottom of the ocean; hence, "gone to Davy Jones's locker" signifies "dead and buried ... — Stories by Modern American Authors • Julian Hawthorne
... Moira thought more of my safety than her own. "Go back!" she cried. "You cannot help me. The sea devil has ... — Adventures in Southern Seas - A Tale of the Sixteenth Century • George Forbes
...
