1 文書を見つけるための辞書。

• ace, i, single, unity, 1, one
• １, 一, ワン, 壱
• the smallest whole number or a numeral representing this number; "he has the one but will need a two and three to go with it"; "they had lunch at one"
• この数を表わす最も小さな整数あるいは数字