to practice divination: to look for a sign, or take something as a sign, that tells what is hidden or what is coming
This word does not name one particular method of fortune-telling. It is the general Hebrew verb for going after a sign, for treating something in the world as a message about what is hidden or what lies ahead. What the sign actually is has to be filled in from the story around it:
- a silver cup that Joseph is said to read for answers
- whatever Laban did to find out that God was blessing him because of Jacob
- a stray word an Israelite king let slip in front of enemy envoys
- the whole bundle of banned practices that the law sweeps together
Because the word is that broad, it stretches from a deliberate ritual at one end to plain watchfulness at the other. At the deliberate end stands Joseph's cup, an object kept for the purpose. At the far end stand the envoys of Ben-Hadad, who have no equipment at all: they hear Ahab call their master his brother, decide the word is a good sign, and pounce on it. Both are this same verb.
In the lists of forbidden arts the word loses whatever technical edge it had and works as a blanket term, stacked beside other words for fortune-telling (עָנַן) and sorcery (כָּשַׁף) so that the whole field is condemned at once.
The Bible's two ways of speaking about the practice look like a contradiction and are not. In the stories it is described without comment, and everyone who does it is a foreigner or is passing as one: Laban the Aramean, Joseph dressed as an Egyptian, the envoys of an Aramean king. In the law it is flatly forbidden, and in the histories it is one of the crimes that bring the kingdom down. Deuteronomy 18:14 states the logic plainly: the nations do this, and Israel is not to. The practice is not harmless in one place and wicked in another. It is being marked out as something that belongs to everyone except Israel, who is given prophets instead.
Nuances
Whether Laban is describing an act of divination or only saying that he came to realize it.
- majorityLaban means real divination. He is an Aramean who keeps household oracle figures, and the scene shows a pagan diviner forced to admit that the God of Jacob is behind his own prosperity.; Gordon J. Wenham, Genesis 16-50 (Word Biblical Commentary 2), on 30:27; Nahum M. Sarna, Genesis (JPS Torah Commentary), on 30:27; Victor P. Hamilton, The Book of Genesis: Chapters 18-50 (NICOT), on 30:27; John Skinner, A Critical and Exegetical Commentary on Genesis (ICC), on 30:27
- minorityLaban means something looser, that he has found out or come to know it, which is how the older lexicography and the King James rendering "I have learned by experience" take the verse.; BDB, A Hebrew and English Lexicon of the Old Testament, s.v. II נחשׁ