Entry 2 senses · 2 variants Webster, 1913 Rutter /(rŭt"tẽr)/ · Rut·ter · IPA /ˈɹədəɹ/ n. n. 01 n. A horseman or trooper. 1. A horseman or trooper.[Obs.] “Such a regiment of rutters Never defied men braver.” — Beau. & Fl. 02 n. That which ruts. 1. That which ruts.