Webster’s Revised Unabridged Dictionary · 1913 Jaunce Jaunce (jäns), v. i. [OF. jancer. Cf. Jounce, Jaunt.] To ride hard; to jounce. [Obs.] Spurr'd, galled and tired by jauncing Bolingbroke. Shak. ‹ Jatrophic Jaundice ›