A small, narrow crack or crevice in a wall, rock, or other surface.
From Middle English, probably related to cran (notch or cut). The suffix -y suggests 'full of' or 'characterized by.' Ultimately refers to something cut or broken into.
The phrase 'nook and cranny' stuck together so often that many people think they're always paired—but they're actually different: a nook is a cozy corner, a cranny is a tiny crack.
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