Cavillation definitions Webster's 1828 Dictionary CAVILLATION, n. The act or practice of caviling, or raising frivolous objections. Webster's 1913 Dictionary Cavillation Cav`il*la"tion (-l[=a]"sh[u^]n), n.[F. cavillation, L. cavillatio.] Frivolous or sophistical objection. [Obs.] --Hooker.