capitalship
nounUK /ˈkæpɪtlʃɪp/
US /ˈkæpɪtəlʃɪp/
A capitalship is the main or most important ship in a group of ships.
The admiral stood on the deck of the capitalship and gave orders to the rest of the fleet.
OTHER MEANINGS
2. The most important or leading thing in a group, like a main building or main office.
That tall tower is the capitalship of the whole company.
3. A ship that carries the leader of a group of ships.
The capitalship sailed at the front so everyone could follow it.
4. The best or most special ship of a group.
Our capitalship is the biggest and fastest boat in the harbor.