The Collaborative International Dictionary of English v.0.48:

Maunder \Maund"er\, v. t.
   To utter in a grumbling manner; to mutter.
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The Collaborative International Dictionary of English v.0.48:

Maunder \Maund"er\, n.
   A beggar. [Obs.]
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The Collaborative International Dictionary of English v.0.48:

Maund \Maund\, Maunder \Maund"er\, v. i. [Cf. F. mendier to beg,
   E. mendicant.]
   1. To beg. [Obs.] --B. Jonson. Beau. & Fl.
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   2. To mutter; to mumble; to grumble; to speak indistinctly or
      disconnectedly; to talk incoherently.
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            He was ever maundering by the how that he met a
            party of scarlet devils.              --Sir W.
                                                  Scott.
      [1913 Webster]

WordNet (r) 3.0 (2006):

maunder
    v 1: wander aimlessly
    2: talk indistinctly; usually in a low voice [syn: mumble,
       mutter, maunder, mussitate]
    3: speak (about unimportant matters) rapidly and incessantly
       [syn: chatter, piffle, palaver, prate, tittle-
       tattle, twaddle, clack, maunder, prattle, blab,
       gibber, tattle, blabber, gabble]