hive

A place bustling with intense activity and many people or things.

"The market was a hive of activity."

To separate a part of a company or organisation from the main body.

"They decided to hive off the software division."

To gather together or live in a group, like bees.

"The children began to hive around the sweets."

A structure, natural or man-made, where a colony of bees lives.

"The beekeeper checked the busy hive."