勾こう配ばい天てん井じょうMeaningsNoun1. sloping ceilingKanji used勾flexed配hand out天heaven井a wellComposed of勾こう配ばいslope; incline; gradient; grade; pitch; slope (of a linear function); gradient (vector calculus)Noun天てん井じょうceiling; ceiling price; (price) ceilingNoun