Elf

A fairy or hobgoblin, a little man or woman.
sb. elf, genius nymphaincubusVariants: alfeEtymology: Anglo-Saxon ælf. Cf. Aulf
Elf.—The water sprite, known also as Elb, from which the name of the river Elbe is said to be derived. Elves are more properly known as mountain fairies, or those airy creatures that dance on the grass or sit in the leaves of trees and delight in the full moon.