Webster’s Revised Unabridged Dictionary · 1913
Cavil
Cav′il (kăv′ĭl), v. i. [imp. & p. p. Caviled or Cavilled; p. pr. & vb. n. Caviling or Cavilling.] [L. cavillari to practice jesting, to censure, fr. cavilla bantering jests, sophistry: cf. OF. caviller.] To raise captious and frivolous objections; to find fault without good reason.
You do not well in obstinacy To cavil in the course of this contract. Shak.
Cav′il, v. t. To cavil at. [Obs.] Milton.
Cav′il, n. A captious or frivolous objection.
All the cavils of prejudice and unbelief. Shak.