/ay"lee euhs/ , n. , pl. aliases , adv.
n.
1. a false name used to conceal one's identity; an assumed name: The police files indicate that "Smith" is an alias for Simpson.
adv.
2. at another time; in another place; in other circumstances; otherwise. "Simpson alias Smith" means that Simpson in other circumstances has called himself Smith.
[ 1525-35; alias (adv.): at another time, otherwise; cf. ELSE ]
Syn. 1. nom de guerre; nom de plume, pseudonym.