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ratchet SimpleWikiWiktionaryGoogle検索CollinsCambridgeLongmanLongman英和Learners 【 71643 】 【意味】 "[名詞] mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction [例] The ratchet was used to tighten the bolt. [例] The ratchet on the bicycle spokes was broken. [例] He could not get the ratchet to work. [意味] ラチェット, ラチェット機構, 爪車, クリック音を出す小型機械装置 ; [同義語] rachet, ratch ; [上位語] mechanical device ; [派生] rachet up, ratchet down ; [同義語群] 04055180-n [動詞] move by degrees in one direction only [例] a ratcheting lopping tool [例] The ratchet moved the gear. [例] The thermostat was ratcheted up to a higher temperature. [例] He ratcheted the screwdriver up until it was tight. ; [同義語] rachet up, ratchet down ; [上位語] move on, march on, progress, go on, advance, pass on ; [派生] rachet, ratch ; [同義語群] 02072673-v"