The Collaborative International Dictionary of English v.0.48:

Tallage \Tal"lage\, Talliage \Tal"li*age\, n. [F. taillage. See
   Taille, and cf. Tailage.] (O. Eng. Law)
   A certain rate or tax paid by barons, knights, and inferior
   tenants, toward the public expenses. [Written also tailage,
   taillage.]
   [1913 Webster]

   Note: When paid out of knight's fees, it was called
         scutage; when by cities and burghs, tallage; when
         upon lands not held by military tenure, hidage.
         --Blackstone.
         [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Tallage \Tal"lage\, v. t.
   To lay an impost upon; to cause to pay tallage.
   [1913 Webster]

Bouvier's Law Dictionary, Revised 6th Ed (1856):

TALLAGE. This word is derived from the French tailler, and signifies
literally to cut. In England it is used to signify subsidies, taxes,
customs, and indeed any imposition whatever by the government for the
purpose of raising a revenue. Bac. Ab. Smuggling, &c. B; Fortesc. De Laud.
26; Madd. Exch. ch. 17; 2 Inst. 531, 532 Spelm. Gl. h.v.