Elf – definition of elf by The Free Dictionary

ELF abbr. extremely low frequency elf (ĕlf) n. pl. elves (ĕlvz) 1. A magical creature in human form but usually smaller, often considered mischievous. 2. a. A lively, mischievous child. b. A usually sprightly or mischievous or sometimes spiteful person. [Middle English, from Old English ælf; see albho- in the Appendix of Indo-European roots.] elf …

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