Definition of major general in US English:
 major general
nounˈˌmājər ˈjen(ə)rəlˈˌmeɪdʒər ˈdʒɛn(ə)rəl
An officer in the US Army, Air Force, and Marine Corps ranking above brigadier general and below lieutenant general.
 Example sentencesExamples
-  All ranks of lieutenant general, major general and brigadier general are staffed by men.
 -  Hicks was promoted from brigadier to major general before a gathering of more than 500 family, friends and co-workers.
 -  The four will be commissioned as Army major generals for an approximate two-year term while serving intermittently in this role.
 -  Rabuka, then an army major general, led two military coups in 1987 and ruled the country for 12 years.
 -  By 1942, Frank is a major general in command of a division, but loses his life in an airplane crash.
 -  It is the only known diary of a major general commanding a division in the Allied Expeditionary Force.
 
Origin
  
Mid 17th century: shortening of sergeant major general.