Learner's definition of REVERT
revert to (something)
to go back or return to (an earlier state, condition, situation, etc.)
She has reverted (back) to her old habits.
My blood pressure has reverted to normal. [=has returned to normal; has become normal again]
After playing badly in the last two games, he seems to have reverted to form. [=he is now playing as well as he usually does]
(chiefly Brit) After this one atypical comedy, will he revert to type [=will he do what he usually does] in his next film?
revert to (someone or something)
law, of property
to be given to (a former owner or a former owner's heir)