flagship

noun

(nautical, military) The ship occupied by the fleet's commander (usually an admiral); it denotes this by flying his flag.

The flagship of the fleet led the way into battle.

意味（1）

(nautical, military) The ship occupied by the fleet's commander (usually an admiral); it denotes this by flying his flag.

意味（2）

(nautical) The ship regarded as most important out of a group, e.g. a nation's navy or company's fleet.

意味（3）

(by extension, often attributive) The most important one out of a related group.

The retail company's store in London is their flagship.