元となった辞書の項目
凹
noun
a pit, a hollow, a cavity, a depression, a dent / a mistake, and error / a moment of weakness or confusion, being at a loss
意味（1）
a pit, a hollow, a cavity, a depression, a dent
意味（2）
a mistake, and error
意味（3）
a moment of weakness or confusion, being at a loss
