Definition of Pentateuch
- the first five books of the Hebrew Bible (Genesis, Exodus, Leviticus, Numbers, and Deuteronomy). Traditionally ascribed to Moses, it is now held by scholars to be a compilation from texts of the 9th to 5th centuries bc. Jewish name Torah.
via ecclesiastical Latin from ecclesiastical Greek pentateukhos, from penta- 'five' + teukhos 'implement, book'