elf

Từ điển Oxford Advanced Learner 8th

elf [elf elves] BrE [elf] NAmE [elf] noun (pl. elvesBrE [elvz] ; NAmE [elvz] )
(in stories) a creature like a small person with pointed ears, who has magic powers

Word Origin:
Old English, of Germanic origin; related to German Alp ‘nightmare’.

• Từ đồng nghĩa / Synonyms:
  extremely low frequency, ELF, hob, gremlin, pixie, pixy, brownie, imp