The Collaborative International Dictionary of English v.0.48:

Vedanta \Ve*dan"ta\, n. [Skr. V[=e]danta.]
   A system of philosophy among the Hindus, founded on scattered
   texts of the Vedas, and thence termed the "Anta," or end or
   substance. --Balfour (Cyc. of India.)
   [1913 Webster]

WordNet (r) 3.0 (2006):

Vedanta
    n 1: (from the Sanskrit for `end of the Veda') one of six
         orthodox philosophical systems or viewpoints rooted in the
         Upanishads as opposed to Mimamsa which relies on the Vedas
         and Brahmanas