Definition of "elve" in English

noun

1. Obsolete form of elf.

   • Sir Olof, he rode out at early day, / And so came he unto an Elve-dance gay.

noun

1. (astronomy, meteorology) A rapidly expanding disk-shaped region of red luminosity in the ionosphere, lasting less than a thousandth of a second, which occurs high above energetic cloud-to-ground lightning of positive or negative polarity.