English

Noun

trithing ‎(plural trithings)

1. One of three ancient divisions of a county in England; a riding.
   • 1771, Blackstone, William, Sir, “Of the Countries Subject to the Laws of England”, in Commentaries on the Laws of England, volume 1, page 116:

     Where a county is divided into three of these intermediate jurisdictions, they are called trithings, which were antiently governed by a trithing-reeve. These trithings still subsist in the large county of York, where by an easy corruption they are denominated ridings; the north, the east, and the west-riding.

Derived terms

• riding ‎(“administrative division”), trithing-mote, trithing-reeve