noun. In anatomy, a digit; a finger or toe; specifically, a digit of the fore limb, or a finger, as distinguished from dactylus, a toe.

noun. In entomology, one of the joints of the tarsus exclusive of the basal joint, which is called the metatarsus, palma, or planta: used in describing bees.

"The church is looking for some sign from God, so it's what we call the 'digitus dei' or the finger of God that says 'Yeah,' O'Donnell said."