Definition of hold the reins
- They held the reins of government/power.
: to have possession or ownership of or have at one's disposal
: to have as a privilege or position of responsibility
: to have as a mark of distinction
: confinement, custody
: the interior of a ship below decks
: the cargo compartment of a plane
: the region of the kidneys : loins
: the seat of the feelings or passions
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