Flagship
WordNet
noun
(1) The ship that carries the commander of a fleet and flies his flag
(2) The chief one of a related group
"It is their flagship newspaper"
WiktionaryText
Noun
- In a maritime fleet, the ship occupied by the fleet's commander (usually an admiral); it denotes this by flying his flag.
- The most important one out of a related group.
- The retail company's store in London is their flagship.
Usage notes
The word is often used as an attributive noun, as in:
- The company’s shop in London is their flagship store.
Although this usage looks like an adjective, it is not, and should not be confused with that part of speech.