- 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.
Meaning of 'generalissimo' (Princeton's WordNet)
1 . generalissimo
[ n]
Meaning (1): - the officer who holds the supreme command
Example in sentence:
in the U.S. the president is the commander in chief