Entry 3 senses · 2 variants Webster, 1913 Ratoon /(rȧ*to͞on")/ · Ra·toon · IPA /ɹəˈtuːn/ n. v. i. 01 n. Same as Rattoon, n. 1. Same as Rattoon, n. See: Rattoon 2. A rattan cane.[Obs.] 02 v. i. Same as Rattoon, v. i. 1. Same as Rattoon, v. i. See: Rattoon