ROTOTILL Meaning of ROTOTILL in English /roh"teuh til'/ , v.t.1. to break up (soil) with a rototiller. v.i.2. to break up soil with a rototiller. [ 1935-40; back formation from ROTOTILLER ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012