擘窠书 bòkēshū big-character calligraphy Origin Definitions Defs Strokes Stroke Words Sentences Sents 擘 bò to split (literary) to split open; to break apart; to tear; to analyze窠 kē nest (bound form) a nest; a burrow or den for birds, animals, or insects书 書 shū noun calligraphy style (bound form) a style of calligraphy or script