When someone stows something, they put it away or store it in a safe place.
Stowing something is usually a good thing because it helps keep things organized and tidy.
Examples:
She stows her toys in the box.
He stows his clothes in the closet.
I stow my snacks in the cupboard.
The squirrel stows nuts for the winter.
He stows his treasure in a secret hiding place.
She stows her books on the shelf.