General Secretary Definition

noun

The head of the Communist Party of the Soviet Union.

Webster's New World

The office of General Secretary (First Secretary) is staffed by the chief officer (sometimes also the leader).

Wiktionary

The official title of the leader of most Communist and Socialist political parties is the "General Secretary of the Central Committee" or "First Secretary of the Central Committee".

Wiktionary

When a Communist party is in power, the General Secretary is usually the country's de facto leader (though sometimes this leader also holds state-level positions to monopolize power, such as a presidency or premiership in order to constitute de jure leadership of the state).

Wiktionary