Rav Aluf (Hebrew: רב - אלוף) is the rank held by the Chief of Staff of the Israel Defence Force. It is equivalent to the rank of Lieutenant General in the British or U.S. Army. Hebrew is a Semitic language of the Afro-Asiatic language family spoken by 6 million people mainly in Israel, parts of the Palestinian territories, the United States and by Jewish communities around the world. ... The Israel Defense Forces (IDF) (Hebrew: צבא ההגנה לישראל Tsva Ha-Haganah Le-Yisrael ([Army] Force [for] the Defense of Israel), often abbreviated צהל Tsahal, alternative English spelling Tzahal, is the name of Israels armed forces (army, air force and navy). ... Lieutenant General is a military rank used in many countries. ...
Aluf (אלוף) is the term used for General and Admiral in the Israel Defense Forces.
RavAluf is usually translated as "Lieutenant General," but is often considered to equate to a full General, since it is the most senior rank.
The term "Aluf" is taken from the Bible, where it was a rank of nobility among the Edomites, ancient Judea's neighbors (and often, enemies) to the south.