Source : Webster's Revised Unabridged Dictionary (1913)

Cavilous \Cav"il*ous\ or Cavillous \Cav"il*lous\, a. [L.
   cavillosus.]
   Characterized by caviling, or disposed to cavil; quibbing.
   [R.] -- {Cav"il*ous*ly}, adv. [R.] -- {Cav"il*ous*ness}, n.
   [R.]