boom

A long pole or spar, for sails on a boat or holding a microphone.

"The sailor adjusted the main boom."

A deep, resonant, loud sound, often like an explosion or thunder.

"We heard a loud boom in the distance."

To make a deep, resonant sound; to speak loudly and deeply.

"The thunder boomed across the valley."

A period of rapid economic growth, prosperity, or sudden increase.

"The housing market is experiencing a boom."

To experience rapid growth, prosperity, or a sudden increase.

"Business is booming after the new policy."