We don't have synonyms for emacs yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are macs, emas and emac.
(n) :
(computing) A particular visual or WYSIWYG text editor (first written by Richard Stallman in 1975 but since reimplemented by others in several distinct versions), distinguished by its use of control characters as editing commands, by its lack of distinct "insert" and "edit" modes, and by its featurefulness and extensibility.
(n) :
(computing) Any implementation or reimplementation of Emacs.
(n) :
(computing) A particular visual or WYSIWYG text editor (first written by Richard Stallman in 1975 but since reimplemented by others in several distinct versions), distinguished by its use of control characters as editing commands, by its lack of distinct "insert" and "edit" modes, and by its featurefulness and extensibility.
(n) :
(computing) Any implementation or reimplementation of Emacs.