shale Shalako • shalelike · · · Info · Definitions · Characters · · shale · · Text Latin · · Script 5 · · Length Definitions · · · (noun) a sedimentary rock formed by the deposition of successive layers of clay. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C s latin small letter s U+0073