treadwheel treadmill • treason · · · Info · Definitions · Synonyms · Characters · · treadwheel · · Text Latin · · Script 10 · · Length Definitions · · · (noun) a mill that is powered by men or animals walking on a circular belt or climbing steps. Synonyms: treadmill, tread-wheel. · · Noun Definition 1 Synonyms · · · treadmill · · Synonym 1 tread-wheel · · Synonym 2 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C r latin small letter r U+0072 t latin small letter t U+0074 w latin small letter w U+0077