1. Rotary tiller for breaking and aerating soil: Rotavator: rotary tiller for breaking and aerating soil, agricultural machine with rotating blades designed to break up or till soil. Word is listed in dictionaries as being the longest single-word palindrome.Look it up on Wiktionary, Look it up on Wikipedia 1, 22. Runaway RotavatorRunaway Rotavator (1994) in iron filled resin, was commissioned...