Noun | 1. | Deuteronomy - the fifth book of the Old Testament; contains a second statement of Mosaic law mezuza, mezuzah - religious texts from Deuteronomy inscribed on parchment and rolled up in a case that is attached to the doorframe of many Jewish households in accordance with Jewish law 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 |