Source : Webster's Revised Unabridged Dictionary (1913)

Lith \Lith\, obs.
   3d pers. sing. pres. of {Lie}, to recline, for lieth.
   --Chaucer.

Lith \Lith\, n. [AS. li[eth].]
   A joint or limb; a division; a member; a part formed by
   growth, and articulated to, or symmetrical with, other parts.
   --Chaucer.