1. Properly, a rent; but commonly, any small narrow opening, fissure, crevice or chink, as in a wall, or other substance.
2. In a firm building, the cavities ought to be filled with brick or stone, fitted to the crannies.
3. A hole; a secret retired place.
4. He peeped into every cranny
5. In glass-making, an iron instrument for forming the necks of glasses.