spellcheck

noun

1. (countable, uncountable)The act of spellchecking.

   “You'd better run another spellcheck now that you've written that extra chapter.”

2. (countable, uncountable)A spellchecker.

   “My wordprocessor is supposed to have a spellcheck, but I don't know how to use it.”

verb

1. To check that words in written text are properly spelled.
2. (transitive)To run a spellchecker on (a document).