| Noun | 1. | Book of Exodus - the second book of the Old Testament: tells of the departure of the Israelites out of slavery in Egypt led by Moses; God gave them the Ten Commandments and the rest of Mosaic law on Mount Sinai during the ExodusOld Testament - the collection of books comprising the sacred scripture of the Hebrews and recording their history as the chosen people; the first half of the Christian Bible Laws, Pentateuch, Torah - the first of three divisions of the Hebrew Scriptures comprising the first five books of the Hebrew Bible considered as a unit |