[noun]He's hopeless at spelling (= forming words with the letters in the correct order). [U]I think that children should be taught spelling (= how to form words correctly) and punctuation. [U]My computer has a program which corrects my spelling (= the way I form words). [U]Your essay is full of spelling mistakes/errors. [U]This dictionary includes both British and American spellings of (= correct ordering of letters in) words. [C](US and ANZ) A spelling bee is a competition in which the winner is the person or group who is able to form correctly the highest number of the words they are asked to form.
Meaning of SPELLING in English
Cambridge English vocab. Кембриджский английский словарь. 2012