a false name used to conceal one's identity; an assumed name: The police files indicate that “Smith” is an alias for Simpson.
adverb
2.
at another time; in another place; in other circumstances; otherwise. “Simpson alias Smith” means that Simpson in other circumstances has called himself Smith.
Origin: 1525–35; < Latinaliās (adv.): at another time, otherwise; cf. else
Synonyms 1. nom de guerre; nom de plume, pseudonym.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a scrap or morsel of food left at a meal.
a gadget; dingus; thingumbob.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
mid-15c., lit. "otherwise called," from L. alias "at another time, in another way," from alius "(an)other," from PIE *al- "beyond" (cf. Skt. anya "other, different," Avestan anya-, Armenian ail, Gk. allos "another," Goth. aljis "other," O.E. elles "otherwise, else," Mod.Eng.
else). The noun meaning "assumed name" is first recorded c.1600.