Generalissimo a. : The chief commander of an army; especially, the commander in chief of an army consisting of two or more grand divisions under separate commanders; -- a title used in most foreign countries.

Example:
What does Generalissimo means, and what is the difference with a general?

Taxonomy
Generalissimo Chiang Kai-shek, free encyclopedia, generalissimus, Armies, military rank, Republic of China, military officer, 1776, search, Navies, Chile, Cuba, North Korea, Dominican Republic, Holy Roman Empire, Austrian Empire, Mexico, Poland.

Defination from the web:
Generalissimo Chiang Kai-shek of Republic of China. ... Generalissimo" is sometimes used in modern English language to refer to a military officer who has obtained political power by a military coup, ...