alias

Short definition from Wiktionary

Adverb

1. 1
   Otherwise; at another time; in other circumstances; otherwise called; also known as; formerly known as.
2. 2
   Used to connect the different names of a person who has gone by two or more, and whose true name is for any cause doubtful

Noun

1. 1
   Another name; especially, an assumed name.
2. 2
   A second or further writ which is issued after a first writ has expired without effect.
3. 3
   An abbreviation that replaces a string of commands and thereby reduces typing when performing routine actions or tasks.
4. 4
   An spurious signal generated as a technological artifact.

Verb

1. 1
   To assign an additional name to an entity, often a more user-friendly one.
2. 2
   To make or become indistinguishable.