spelldown

/ˈspɛlˌdaʊn/
noun
  1. A spelling competition where participants are eliminated when they misspell a word.
    • During the spelldown, the last two students went head-to-head for ten rounds.
    • The school held a spelldown to see who would represent them at the regional competition.
    • She practiced for weeks before the spelldown and won first place.
Synonyms