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.
(bookbinding) a method of securing the pages of a publication by passing a coil of wire through small holes punched at the back edge of the covers and individual pages
[spahy-ruh l-bound] /ˈspaɪ rəlˈbaʊnd/ adjective 1. having a spiral binding.
- Spiral canal of cochlea
spiral canal of cochlea n. The winding tube located in the bony labyrinth of the ear. Also called cochlear canal.
- Spiral canal of modiolus
spiral canal of modiolus n. The space in the modiolus containing the spiral ganglion of the cochlea.
noun 1. a spiral passage for directing the water from a penstock around a water turbine and into the rotor.