What does "liege" mean?

Liege: 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.

Additional senses

  1. 2.(Old Law) Full; perfect; complete; pure. Burrill. Liege homage (Feudal Custom), that homage of one sovereign or prince to another which acknowledged an obligation of fealty and services. -- Liege poustie Etym: [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.]
  2. 3.A free and independent person; specif., a lord paramount; a sovereign. Mrs. Browning. The anointed sovereign of sighs and groans, Liege of all loiterers and malcontents. Shak.
  3. 4.The subject of a sovereign or lord; a liegeman. A liege lord seems to have been a lord of a free band; and his lieges, though serving under him, were privileged men, free from all other obligations, their name being due to their freedom, not to their service. Skeat.

Sources