WordReference Random House Unabridged Dictionary of American English © 2020
bur•gee  (bûrjē, bûr jē),USA pronunciation n. 
  1. a triangular flag or one having a shallow, angular indentation in the fly, forming two tails, used as an identification flag, esp. by yachts.
  • perh. shortening of *burgee's flag, by reanalysis of *burgess flag, burgess translating French bourgeois in sense "owner'' (of a ship) 1840–50

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