| a binding, as for a notebook or booklet, in which the pages are fastened together by a spiral of wire or plastic that coils through a series of holes punched along one side of each page and the front and back covers. |
| spiral binding n. A binding for notebooks and booklets in which a cylindrical spiral of wire or plastic is passed through a row of punched holes at the edge of a tablet. spi'ral-bound' (spī'rəl-bound') adj. |