Elf

Webster's Dictionary of the English Language

·pl of Elves.

II. Elf ·noun A very diminutive person; a dwarf.

III. Elf ·vt To entangle mischievously, as an elf might do.

IV. Elf ·noun An imaginary supernatural being, commonly a little sprite, much like a fairy; a mythological diminutive spirit, supposed to haunt hills and wild places, and generally represented as delighting in mischievous tricks.