hole_up
1. [ verb ] (sport,golf) score a hole in one, in golf
Related terms: score golf
2. [ verb ] remain secluded or in hiding
Examples:

"He is writing his book and is holing up in his study"

Related terms: hide
3. [ verb ] sleep during winter
Synonyms: hibernate
Examples:

"Bears must eat a lot of food before they hibernate in their caves"

Related terms: estivate sleep hibernation