The Collaborative International Dictionary of English v.0.48:

Liege \Liege\ (l[=e]j), a. [OE. lige, lege, F. lige, LL. ligius,
   legius, liege, unlimited, complete, prob. of German origin;
   cf. G. ledig free from bonds and obstacles, MHG. ledec,
   ledic, lidic, freed, loosed, and Charta Ottonis de Benthem,
   ann. 1253, "ligius homo quod Teutonic[`e] dicitur ledigman,"
   i. e., uni soli homagio obligatus, free from all obligations
   to others; influenced by L. ligare to bind. G. ledig perh.
   orig. meant, free to go where one pleases, and is perh. akin
   to E. lead to conduct. Cf. Lead to guide.]
   1. Sovereign; independent; having authority or right to
      allegiance; as, a liege lord. --Chaucer.
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            She looked as grand as doomsday and as grave;
            And he, he reverenced his liege lady there.
                                                  --Tennyson.
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   2. serving an independent sovereign or master; bound by a
      feudal tenure; obliged to be faithful and loyal to a
      superior, as a vassal to his lord; faithful; loyal; as, a
      liege man; a liege subject.
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   3. (Old Law) Full; perfect; complete; pure. --Burrill.
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   Liege homage (Feudal Custom), that homage of one sovereign
      or prince to another which acknowledged an obligation of
      fealty and services.

   Liege poustie [L. legitima potestas] (Scots Law), perfect,
      i. e., legal, power; specif., having health requisite to
      do legal acts.

   Liege widowhood, perfect, i. e., pure, widowhood. [Obs.]
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