To act as a flagship for.
The most important one out of a related group.
The ship occupied by the fleet's commander (usually an admiral); it denotes this by flying his flag.
The ship regarded as most important out of a group, e.g. a nation's navy or company's fleet.
To rule over; to govern or determine by superior authority.
To nullify a previous ruling by a higher power.
To rule or determine in a contrary way; to decide against; to abrogate or alter.
To dismiss or throw out (a protest or objection) at a court.