1. 1〔建物の〕a beam;〔橋などの〕a girder
  1. 2〔そろばんの〕a reed
  1. 3〔数の位〕a place
    • 2[3]けたの数
    • a number in double [three] figures/a two-digit [three-digit] number
    • 小数点以下2けたまで計算する
    • calculate it to two decimals [decimal places]
    • 計算を1けた間違えた
    • My calculation was one digit off./I miscalculated by one digit.
    • その建物の建築費は10けたに達する
    • The construction cost of the building reaches ten figures.