The term 'cranny' is a noun that refers to a small, narrow opening or space. It can be used to describe a variety of different shapes and sizes, from a CREVICE (7 letters) which is a narrow, deep CRACK in a rock or wall, to a CHINK (5 letters) which is a very small opening or CRACK, to a FISSURE (7 letters) which is a long, narrow opening or CRACK, to a RECESS (6 letters) which is a shallow, sheltered area, to a CRACK (5 letters) which is a thin line or break in a surface, to a GAP (3 letters) which is an open space between two objects, to a HOLE (4 letters) which is an opening in a surface, to a NICHE (5 letters) which is a shallow RECESS in a wall, to a NOOK (4 letters) which is a corner or small RECESS, to NOOKS (5 letters) which are multiple small recesses.