Source : Webster's Revised Unabridged Dictionary (1913)

Embattle \Em*bat"tle\, v. t. [imp. & p. p. {Embattled}; p. pr. &
   vb. n. {Embattling}.] [OF. embataillier; pref. em- (L. in) +
   F. bataille battle. See {Battle}, and cf. {Battlement}.]
   To arrange in order of battle; to array for battle; also, to
   prepare or arm for battle; to equip as for battle.

         One in bright arms embattled full strong. --Spenser.

         Here once the embattled farmers stood And fired the
         shot heard round the world.              --Emerson.

Embattled \Em*bat"tled\, a.
   1. Having indentations like a battlement. [Obs.] --Chaucer.

   2. (Her.) Having the edge broken like battlements; -- said of
      a bearing such as a fess, bend, or the like.

   3. Having been the place of battle; as, an embattled plain or
      field. --J. Baillie.

Source : WordNet®

embattled
     adj 1: beset with attackers or controversy or conflict; "embattled
            troops"; "an embattled governor"
     2: prepared for battle; "an embattled city"
     3: having repeated square indentations like those in a
        battlement; "a crenelated molding" [syn: {crenelated}, {crenelate},
         {crenellated}, {crenellate}, {indented}]