- 1a group or an organization that has a lot of power China has been described as an “emerging economic powerhouse.”
- 2a person or team that is very successful, especially in sports; a place that produces successful players and teams He helped transform the team into a powerhouse. Cornell was a collegiate hockey powerhouse.
- 3a person who is very strong and full of energy
- 4a type of food that provides a lot of energy Chicken turns this pizza into a protein powerhouse.