Webster’s Revised Unabridged Dictionary · 1913
Lith
Lith (līth), obs. 3d pers. sing. pres. of Lie, to recline, for lieth. Chaucer.
Lith (lĭth), n. [AS. lið.] A joint or limb; a division; a member; a part formed by growth, and articulated to, or symmetrical with, other parts. Chaucer.