take over the reins(redirected from take up the reins)
take over the reins
To take or assume control (of something). After the CEO announced that she had been diagnosed with dementia, her daughter gradually began taking over the reins of the company. I don't know why people are so utterly terrified of letting the federal government take over the reins when it comes to things like healthcare.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.