According to the "Yúpiān" (玉篇), this is the ancient character for "qiāo" (敲). See the "Radical: Strike" (pū) section, ten strokes, for detailed notes. Furthermore, "Jíyùn" (集韵) and "Lèipiān" (类篇) note the pronunciation as hēigè qiē, pronounced hè (壑). It means vast.