'Jactancy' definitions:

Definition of 'Jactancy'

From: GCIDE

Jactancy \Jac"tan*cy\ (j[a^]k"tan*s[y^]), n. [L. jactantia, fr. jactans, p. pr. of jactare to throw, boast, freq. fr. jacere to throw; cf. F. jactance.] A boasting; a bragging. [Obs.] [1913 Webster]