Wiktionary
vb. (present participle of hole up English)
Usage examples of "holing up".
An armada of caiques will sail from the Piraeus on Thursday at dawn and island-hop across the Cyclades, holing up in the islands at night.
I wanted a clean break with local celebrity, and holing up was the only way to accomplish it.
He might have suggestions about places Wendell might be holing up.
Find wherever it is Mavra is holing up during the day, and for the love of Pete, don't step on any more warding spells.
Another Texan, she figures, up the AlCan for summer construction, taking jobs from locals, returning south when winter hits or holing up in Anchorage, bitching about weather and wages and Alaskans receiving Permanent Fund checks.
Ylo felt oddly uneasy at the idea of holing up in Yewdark, and he was not sure why.
They're the new iteration of Shriners, and every year they converge in Texas for the purpose of holing up in the cheapest hotel in Houston that will take them, right before Christmas (thus, Ho-Ho).
He had to think about this, right now, real hard, before he scared himself into holing up in the Place and never coming out.
Somewhere to the south, presumably, Dagger would be holing up, waiting for him to head for the camp.
They staked their horses some distance away and returned, holing up in a grove of old firs ringed with sapling growth that screened them from the nearby cabin.