Spell-off Definition

noun

In a spelling bee, an instance when two or more spellers go through several rounds without any being disqualified.

Wiktionary
(broadly) A spelling bee.
Wiktionary

See spell-off.

Wiktionary
verb

In a spelling bee, of two or more participants, to spell words one after the other until a champion is determined. Usually refers to a series of rounds of spelling in which no spellers are eliminated.

Wiktionary
(broadly) To participate in a spelling bee.
Wiktionary