alias
alias
ali·as
I
/ˈeılijəs/ adv
: also called : otherwise known as
— used to indicate an additional name that a person (such as a criminal) sometimes uses
The thief was identified as John Smith, alias Richard Jones. [=John Smith, who is also known as Richard Jones]
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II
noun , pl -as·es [ count ]
: an additional name that a person (such as a criminal) sometimes uses
a fugitive using several aliases
He was traveling under an alias. [=he was traveling under an assumed name; he was using a name that was not his real name]