thalassocracy, thallassocraty; thalattocracy, thalattocraty 1. Naval or commercial supremacy over a large area of the sea or ocean. 2. Maritime supremacy; ruling the seas; the sovereignty of the seas; mastery at sea. Found on http://www.wordinfo.info/words/index/info/view_unit/2128/
thalassocracy, thallassocraty; thalattocracy, thalattocraty 1. Naval or commercial supremacy over a large area of the sea or ocean. 2. Maritime supremacy; ruling the seas; the sovereignty of the seas; mastery at sea.