Definition of in trainBritish, formal
- a process that had been in train for decades
- A decision has been made and the plans have been set in train.
: a connected line of railroad cars with or without a locomotive
: an automotive tractor with one or more trailer units
: retinue, suite
: to teach so as to make fit, qualified, or proficient
: to form by instruction, discipline, or drill
: to make prepared (as by exercise) for a test of skill
: scheme, trick
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