The Collaborative International Dictionary of English v.0.48:

Accouter \Ac*cou"ter\, Accoutre \Ac*cou"tre\, v. t. [imp. & p.
   p. Accoutered or Accoutred; p. pr. & vb. n. Accoutering
   or Accoutring.] [F. accouter, OF. accoutrer, accoustrer;
   [`a] (L. ad) + perh. LL. custor, for custos guardian,
   sacristan (cf. Custody), or perh. akin to E. guilt.]
   To furnish with dress, or equipments, esp. those for military
   service; to equip; to attire; to array.
   [1913 Webster]

         Both accoutered like young men.          --Shak.
   [1913 Webster]

         For this, in rags accoutered are they seen. --Dryden.
   [1913 Webster]

         Accoutered with his burden and his staff. --Wordsworth.
   [1913 Webster] accoutered

The Collaborative International Dictionary of English v.0.48:

accoutered \accoutered\, accoutred \accoutred\adj.
   1. provided with necessary articles of equipment for a
      specialized purpose especially military; as, troops
      accoutered for battle
      [WordNet 1.5]

WordNet (r) 3.0 (2006):

accoutred
    adj 1: provided with necessary articles of equipment for a
           specialized purpose (especially military); "troops
           accoutered for battle"; "properly accoutered for the
           trip" [syn: accoutered, accoutred]