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Webster 1913 Edition

Trithing

Tri′thing

,

Noun.

[See Ist

.]

One of three ancient divisions of a county in England; – now called

riding

.

[Written also

riding

.]

Blackstone.

Webster 1828 Edition

Trithing

TRI'THING

,

Noun.

[from three.] One of the divisions of the county of York in England, which is divided into three parts. It is now called Riding.