UNDINE
undine
(noun) any of various female water spirits
Source: WordNet® 3.1
Etymology
Noun
undine (plural undines)
A female water-sprite or nymph.
The elemental being of water.
(medicine) a small flask used to apply lotions to the eye.
Etymology
Proper noun
Undine
(rare outside fiction) A female given name from Latin.
Source: Wiktionary
Un*dine", n. Etym: [G. undine, or F. ondin, ondine, from L. unda a
wave, water.]
Definition: One of a class of fabled female water spirits who might receive
a human soul by intermarrying with a mortal.
Source: Webster’s Unabridged Dictionary 1913 Edition