limestone limes • limestone fern · · · Info · Definitions · Characters · · limestone · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals. · · Noun Definition 1 Characters · · 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 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074