Leading Store in a Chain

This page is the CodyCross answer for the clue below from All Things Water, Group 1297, Puzzle 4 (Bora Bora and Tahiti).

Question is: Leading Store in a Chain

and the answer is: FLAGSHIP

Word Meaning:

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

Definitions from Wiktionary.