Wiktionary
n. 1 (context figuratively often humorously English) The metaphorical place in which a Wiccan's religious identity is hidden. 2 (&lit broom closet English)
WordNet
n. a small room for storing brooms and other cleaning equipment
Usage examples of "broom closet".
After opening the door of a broom closet, and then a pantry, she opened a third door and disappeared.
As I tentatively eased out of the broom closet, I remembered something Bobby had asked when I'd told him to come in by the river, Do I have to creep or can I strut?
Someone knew he was going to be there, and hid in the broom closet at the top of the little staircase, waiting for him.
Then he took a key from a pocket of his jeans and unlocked a broom closet, which to the best of my recollection had never featured a lock before.
She quickly put the food away and stored her cloth grocery bags in the tiny broom closet.
As he watched he envisioned her wielding the sword she kept in the back of the broom closet instead of the dishcloth she was presently carrying.
The human soul contains an infinity of rooms, after all, some of them vast, some no bigger than a broom closet, some locked, some few imbued with a radiant light.
Then he comes off the wall with a lurch, breaking contact, and goes to the broom closet and brings back a bucket of soapy water and a sponge, drags my arms up and hangs the bucket bale over it, like hanging a kettle on a fireplace boom.
Hermione seized Harrys arm and dragged him across the hall to the door of a broom closet.