Reba re-bek'-a (rebha`, "fourth part"; Septuagint: Codex Vaticanus Rhobe; Codex Alexandrinus Rhebek): One of the five chieftains of Midian who were slain by the Israelites, under Moses (Numbers 31:8, Joshua 13:21). Like his comrades, he is termed a "king" in Numbers, but a "chief" or "prince" in Joshua.