The Collaborative International Dictionary of English v.0.48:

Likerous \Lik"er*ous\ (l[i^]k"[~e]r*[u^]s), a., Likerousness
\Lik"er*ous*ness\, n.[Obs.]
   See Lickerish, Lickerishness. --Chaucer.
   [1913 Webster]