The Collaborative International Dictionary of English v.0.48:

Laic \La"ic\, Laical \La"ic*al\, a. [L. laicus: cf. F.
   la["i]que. See Lay laic.]
   Of or pertaining to a layman or the laity. "Laical
   literature." --Lowell.
   [1913 Webster]

         An unprincipled, unedified, and laic rabble. --Milton.
   [1913 Webster]