1) 黒臼子くろうすご Parts 黒臼 子 Link copied! くろうすご [3] Meaning Shirabe Noun Usually kana Alaska blueberry (Vaccinium ovalifolium); early blueberry; oval-leaf bilberry; oval-leaf blueberry; oval-leaf huckleberry Kanji 黒 コク black 臼 キュウ mortar 子 シ child, sign of the rat, 11PM-1AM Forms くろうすごくろうすご黒臼子黒臼子くろうすごクロウスゴクロウスゴ