Aluf (Hebrew: אלוף, lit. "champion") is the term used in the Israel Defense Forces (IDF) for officers who in other countries would have the rank of general, air marshal, or admiral. In addition to the aluf rank itself, there are four other ranks which are derivatives of the word. Together, they constitute the five highest ranks in the IDF.
The term aluf comes from the Bible: the Edomites used it as a rank of nobility, while the later books of the Tanakh use it to describe Israelite captains, as well e.g. Zachariah 9:7, 12:5-6, and later for example Psalms 55:13 it is used as a general term for teacher. It comes from a Semitic root meaning "thousand", making an "aluf" the one who commands a thousand people. Strong however connects the word used to describe the Dukes of Edom, to a different root "alf" denoting a teacher and the root for the animal 'ox' from which the letter Aleph itself is derived, rather than eleph thousand, however they both comprise the same 3 letters.
Rav (Heb. רב) is the Hebrew word for rabbi. For a more nuanced discussion see semicha. The term is also frequently used by Orthodox Jews to refer to one's own rabbi.
In the Talmud, the title Rav generally precedes the names of Babylonian Amoraim, whereas the title Rabbi generally precedes the names of ordained scholars in Palestine (whether Tannaim or Amoraim).
In the Talmud, Rav or Rab (used alone) is a common name for Abba Arika, the first Amora, who established the great yeshiva at Sura, which, using the Mishnah as text, led to the compilation of the Talmud.
In some Hasidic groups, the Rebbe is also referred to as a Rav; in other circles, the Rav is distinct from the Rebbe and is the highest Dayan (judge of a Jewish religious court of law) of the group.
The term rav is also a generic term for a teacher or a personal spiritual guide. For example, Pirkei Avot tells us that "Joshua ben Perachyah said: Provide for yourself a teacher (rav)."
Nachmanides will sometimes refer to Maimonides as HaRav, "The Rav".
Rav (Hebrew: רב) is the Hebrew word for rabbi.
Rav or RAV may also refer to:
Abba Arikha (175–247) (Talmudic Aramaic: אבא אריכא; born: Abba bar Aybo, Hebrew: רב אבא בר איבו) was a Jewish Talmudist who was born and lived in Kafri, Sassanid Babylonia, known as an amora (commentator on the Oral Law) of the 3rd century who established at Sura the systematic study of the rabbinic traditions, which, using the Mishnah as text, led to the compilation of the Talmud. With him began the long period of ascendancy of the great academies of Babylonia (Oesterley & Box 1920), around the year 220. He is commonly known simply as Rav (or Rab, Hebrew: רב).
His surname, Arikha (English, "Long"—that is, "Tall"; it occurs only once—Hullin 137b), he owed to his height, which, according to a reliable record, exceeded that of his contemporaries. Others, reading Arekha, consider it an honorary title, "Lecturer" (Weiss, Dor, iii. 147; Jastrow, Dictionary under the word). In the traditional literature he is referred to almost exclusively as Rav, "the Master", (both his contemporaries and posterity recognizing in him a master), just as his teacher, Judah I, was known simply as Rabbi. He is called Rabbi Abba only in the tannaitic literature (for instance, Tosefta, Beitzah 1:7), where a number of his sayings are preserved. He occupies a middle position between the Tannaim and the Amoraim, and is accorded the right, rarely conceded to one who is only an 'amora, of disputing the opinion of a tanna (Bava Batra 42a and elsewhere).