(1884–1943), Japanese admiral. As Commander-in-Chief of the Combined Fleet (air and naval forces) from 1939, he was responsible for planning the Japanese attack on Pearl Harbor (1941).
Definition of Yamamoto, Isoroku in US English:
Yamamoto, Isoroku
proper nounˌyäməˈmōtō
(1884–1943), Japanese admiral. As Commander in Chief of the Combined Fleet (air and naval forces) from 1939, he was responsible for planning the Japanese attack on Pearl Harbor (1941).