EITHER


Meaning of EITHER in English

(CHOICE) [determiner], [pronoun], [conjunction] - used when referring to a choice between two possibilitiesEither candidate would be ideal for the job."Do you prefer pork or beef?" "I don't like either.""Would you like the metal or plastic one?" "Either will do."You can get there by train or bus - either way/in either case it'll take an hour.We can either eat now or after the show - it's up to you.I either left it at home or in the car - I can't remember which.Either you leave now or I call the police!You can also use either to mean both.Unfortunately I was sitting at the table with smokers on either side of me.An either-or situation is one in which there is a choice between two different plans of action but both together are not possible.It's an either-or situation - we can buy a new car this year or we can go on holiday but we can't do both.

Cambridge English vocab.      Кембриджский английский словарь.