Cite
 

Meaning of thalassocracy

thal•as•soc•ra•cy

Pronunciation: (thal"u-sok'ru-sē), [key]
— pl. -cies.
  1. dominion over the seas, as in exploration, trade, or colonization.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.