flagship
nounUK /ˈflæɡ.ʃɪp/
US /ˈflæɡ.ʃɪp/
The main or best thing in a group, like the leader of a fleet of ships.
The new phone is the flagship of the company's products.
OTHER MEANINGS
2. The ship that carries the commander of a fleet.
The admiral stood on the flagship and gave orders.
3. The most important or successful product or service of a company.
Their flagship store is in the city center.
4. A TV channel or radio station that is the main one in a network.
The flagship station broadcasts the evening news first.