Definition of cranny

• n. - A small, narrow opening, fissure, crevice, or chink, as in a wall, or other substance.
• n. - A tool for forming the necks of bottles, etc.
• v. i. - To crack into, or become full of, crannies.
• v. i. - To haunt, or enter by, crannies.
• a. - Quick; giddy; thoughtless.