What is "hidage"

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.]

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.

late 12c., from Anglo-Latin hidagium, from hida (see hide (n.2)); also see -age.

n. (context UK legal obsolete English) A tax formerly paid to the kings of England for every hide of land.