• Webster's Revised Unabridged Dictionary
    • n Tailage (O. Eng. Law) See Tallage.
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Century Dictionary and Cyclopedia
    • n tailage A part cut off or taken away; especially, a share of a man's substance paid as tribute; hence, tribute; toll; tax; specifically, a compulsory aid levied from time to time by the Anglo-Norman kings upon the demesne lands of the crown and all royal towns. Tailage was abolished in the fourteenth century. See aid, n., 3.
    • tailage To lay an impost on; levy tailage upon; tax.
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In literature:

They proclaim liberty of commerce, the abolition of tailage (that is, of taxes upon merchandise), and a common currency.
"Life of Edward the Black Prince" by Louise Creighton