Source : Webster's Revised Unabridged Dictionary (1913)

Tilter \Tilt"er\, n.
   1. One who tilts, or jousts; hence, one who fights.

            Let me alone to match your tilter.    --Glanville.

   2. One who operates a tilt hammer.

Source : WordNet®

tilter
     n 1: someone who engages in a tilt or joust
     2: a device for emptying a cask by tilting it without
        disturbing the dregs