Source : Webster's Revised Unabridged Dictionary (1913)

Liss \Liss\ (l[i^]s), n. [AS. liss.]
   Release; remission; ease; relief. [Obs.] ``Of penance had a
   lisse.'' --Chaucer.

Liss \Liss\, v. t. [AS. lissan.]
   To free, as from care or pain; to relieve. [Obs.] ``Lissed of
   his care.'' --Chaucer.