Tri′thing, n.
(Synop., § 130), n. [Written also triding.] [A-S. trihing, tridding, a third, from thri, three; Icel. thridhiungr.] One of three divisions of the county of York, in England;—now called riding. — Blackstone.
(Synop., § 130), n. [Written also triding.] [A-S. trihing, tridding, a third, from thri, three; Icel. thridhiungr.] One of three divisions of the county of York, in England;—now called riding. — Blackstone.