The Collaborative International Dictionary of English v.0.48:

Eden \E"den\, n. [Heb. [=e]den delight, pleasure; also, a place
   of pleasure, Eden.]
   The garden where Adam and Eve first dwelt; hence, a
   delightful region or residence.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Eden
    n 1: any place of complete bliss and delight and peace [syn:
         Eden, paradise, nirvana, heaven, promised land,
         Shangri-la]
    2: a beautiful garden where Adam and Eve were placed at the
       Creation; when they disobeyed and ate the forbidden fruit
       from the tree of knowledge of good and evil they were driven
       from their paradise (the fall of man) [syn: Eden, Garden
       of Eden]

The Free On-line Dictionary of Computing (19 January 2023):

Eden

    A concurrent,
   object-oriented, distributed operating system and
   language, Eden Programming Language (EPL), based on remote
   procedure call.  It has both synchronous and asynchronous
   message passing.

   ["The Eden System: A Technical Review", G. Almes et al, IEEE
   Trans Soft Eng SE-11(1):43-59, Jan 1985].

   (2009-05-26)