a·li·as / ˈālēəs/ • adv. used to indicate that a named person is also known or more familiar under another specified name: Eric Blair, alias George Orwell. ∎ inf. indicating another term or synonym: the catfish—alias bullhead—is a mighty tasty fry-up. • n. a false or assumed identity: a spy operating under the alias Barsad. ∎ Comput. an alternative name or label that refers to a file, command, address, or other item, and can be used to locate or access it. ∎ Telecommunications each of a set of signal frequencies that, when sampled at a given uniform rate, would give the same set of sampled values, and thus might be incorrectly substituted for one another when reconstructing the original signal. • v. [tr.] (usu. be aliased) Physics & Telecommunications misidentify (a signal frequency), introducing distortion or error.
[Latin, Otherwise called.] A term used to indicate that a person is known by more than one name.
Alias is a short and more popular phrase for alias dictus. The abbreviation a.k.a., also known as, is frequently used in connection with the description of a person sought by law enforcement officers to disclose the names that the person has been known to use. A fictitious name assumed by a person is popularly termed an alias.