Nick (nĭk), n. [AS. nicor a marine monster; akin to D. nikker a water spite, Icel. nykr, ONG. nihhus a crocodile, G. nix a water sprite; cf. Gr. νίπτειν to wash, Skr. nij. Cf. Nix.] (Northern Myth.) An evil spirit of the waters.
Old Nick, the evil one; the devil.