
Thirlage was the law in regard of the milling of grain for personal or other uses. Vassals in a feudal barony were thirled to their local mill owned by the feudal superior. People so thirled were called suckeners and were obliged to pay for use of the mill and help maintain it. The term thirl originated from the feudal past when a thirl was a body...
Found on
http://en.wikipedia.org/wiki/Thirlage

• (n.) The right which the owner of a mill possesses, by contract or law, to compel the tenants of a certain district, or of his sucken, to bring all their grain to his mill for grinding.
Found on
http://thinkexist.com/dictionary/meaning/thirlage/
Thirl'age noun [ Confer
Thrall .]
(Scots Law) The right which the owner of a mill possesses, by contract or law, to compel the tenants of a certain district, or of his sucken, to bring all their grain to his mill for grinding.
Erskine. Found on
http://www.encyclo.co.uk/webster/T/45

In old Scots law, thirlage was a term applied to a tenure of land, the holder of which was obliged to have his grain ground at a specified mill, paying therefore a certain proportion of the flour.
Found on
http://www.probertencyclopaedia.com/browse/AT.HTM

Thirlage is a servitude, once very common in Scotland, under which the possessors of certain lands were 'thirled', thralled, or astricted to carry the grain produced on those lands to a certain mill, and to pay, by way of ' multure' a certain proportion of the grain ground towards the expense of the erection and maintenance of the mill.
Found on
http://www.probertencyclopaedia.com/browse/JT.HTM
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