Rabbi n. : Master; lord; teacher; -- a Jewish title of respect or honor for a teacher or doctor of the law.

Example:
How much can I expect to be charged by a Rabbi for performing my wedding ceremony?

Taxonomy
rabbi, women, ordination, Jewish law, yeshivas, teacher, semicha, rabbinic, Orthodox women, seminaries, rabbinic ordination, Reform, rabbinical, halakhic, authority, Orthodox rabbis, non-Orthodox rabbis, Israel.

Defination from the web:
Rabbi is not an occupation found in the Torah (i.e. the Pentateuch) as such, and ancient generations did not employ related titles such as Rabban, ... The titles "Rabban" and "Rabbi" are first mentioned in Hebrew scriptures in the Mishnah (c. 200 CE) ...