in train

idiom

Definition of in train

British, formal
: in an active state or condition a process that had been in train for decades A decision has been made and the plans have been set in train.

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“In train.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in%20train. Accessed 28 Oct. 2020.

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