traintrain2 verb [intransitiveI, transitiveT] to teach someone or to be taught the skills and knowledge needed for a particular jobBoth my sons want to train as chartered accountants.
train somebody in somethingOne of the major costs of implementing the technology was the need to train workers in new skills.
train somebody to do somethingHe trains his people to identify customer needs clearly.
—trained adjectiveadjThe recession makes it even more essential to have properlytrained staff.