treadmill

英語（米国） (en-US) 英語（イギリス） (en-GB)

IPA（発音記号）

/ˈtɹɛd.mɪl/

名詞

歴史的 比喩的用法

A piece of indoor sporting equipment used to allow for the motions of running or walking while staying in one place.

日本語の意味

室内でランニングやウォーキングを行うための運動器具

英語の意味

A piece of indoor sporting equipment used to allow for the motions of running or walking while staying in one place.

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She set the treadmill to a steep incline and increased the speed to train for the upcoming marathon.

彼女はルームランナーの傾斜をきつく設定し、次のマラソンに備えて速度を上げた。

詳細

意味（1）

A piece of indoor sporting equipment used to allow for the motions of running or walking while staying in one place.

意味（2）

(historical) A mill worked by persons treading upon steps on the periphery of a wide wheel having a horizontal axis. It was used principally as a means of prison discipline.

Their paternal house of Drummington, Foker could very seldom be got to visit. He swore he had rather go on the treadmill than stay there.

詳細

意味（3）

A mill worked by horses, dogs, etc., treading an endless belt.

Ancient nomads, wishing to ward off the evening chill and enjoy a meal around a campfire, had to collect wood and then spend time and effort coaxing the heat of friction out from between sticks to kindle a flame. With more settled people, animals were harnessed to capstans or caged in treadmills to turn grist into meal.

詳細

意味（4）

(figuratively) A process or situation in which continued effort leads to or is required for remaining at a particular state or level without moving ahead.

1995, Michael Scott Walker, The Treadmill of Water Development, and Perceptions of Drought and Scarcity in the Southern San Joaquin Valley:

詳細

treadmills （ plural ）