Cran·ny n.; pl. Crannies
1. A small, narrow opening, fissure, crevice, or chink, as in a wall, or other substance.
In a firm building, the cavities ought not to be filled with rubbish, but with brick or stone fitted to the crannies. --Dryden.
He peeped into every cranny. --Arbuthnot.
2. Glass Making A tool for forming the necks of bottles, etc.