[noun] [C], [conjunction] - a false name that someone uses in order to keep their real name secretHe admitted that the name Rupert Sharp was an alias he used to avoid the police.His real name was Paul Sopworth, but he often went under the alias of Rupert Sharp.Paul Sopworth, alias (= also known as) Rupert Sharp, was sentenced today to 3 years in jail.
ALIAS
Meaning of ALIAS in English
Cambridge English vocab. Кембриджский английский словарь. 2012