Meaning of “spell” - Learner’s Dictionary

spell

verb us uk /spel/ past tense and past participle spelled, also UK spelt
You'll have to spell that for me.The teacher asked her to spell 'alphabet'.My name is spelled incorrectly on your list.People always spell my name wrong.Look at the word and then spell it out loud.
WORDS [ T ]

A2 to write down or tell someone the letters that are used to make a word:

How do you spell that?
Her name's spelt S-I-A-N.
ABILITY [ I ]

If you can spell, you know how to write the words of a language correctly:

My grammar's all right, but I can't spell.
spell disaster/trouble, etc

If something spells disaster, trouble, etc, you think it will cause something bad to happen in the future:

The new regulations could spell disaster for small businesses.

See also

(Definition of “spell verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)