The Collaborative International Dictionary of English v.0.48:

Marge \Marge\, n. [F. marge. See Margin.]
   Border; margin; edge; verge. [Poetic] --Tennyson.
   [1913 Webster]

         Along the river's stony marge.           --Wordsworth.
   [1913 Webster]

WordNet (r) 3.0 (2006):

marge
    n 1: a spread made chiefly from vegetable oils and used as a
         substitute for butter [syn: margarine, margarin,
         oleo, oleomargarine, marge]