square mile square metre • squaremouth · · · Info · Definitions · Characters · · square mile · · Text Common · · Latin · · Scripts 11 · · Length 4 · · Syllables Definitions · · · (noun) an area of 640 acres. Synonyms: square mile. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D q latin small letter q U+0071 r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075