Webster's Revised Unabridged Dictionary · 1913

Thrid

Thrid (thrid) , adjective

Third. [Obsolete] — Chaucer

Thrid , transitive verb

[A variant of thread.]

1.
To pass through in the manner of a thread or a needle; to make or find a course through; to thread.
Some thrid the mazy ringlets of her hair. — Pope
And now he thrids the bramble bush. — J. R. Drake
I began To thrid the musky-circled mazes. — Tennyson
2.
To make or effect (a way or course) through something; as, to thrid one's way through a wood.

Thrid , noun

Thread; continuous line. [Archaic]
I resume the thrid of my discourse. — Dryden