Webster’s Revised Unabridged Dictionary · 1913 Ratoon Ra·toon′ (rȧ·to͞on′), n. 1. Same as Rattoon, n. 2. A rattan cane. [Obs.] Pepys. Ra·toon′, v. i. Same as Rattoon, v. i. ‹ Raton Ratsbane ›