section
1. The unit of paper that is printed and folded,
and which, together with other like units, makes
up a complete book. A section is usually folded
from 1 sheet of paper, but it may consist of 1 1/2
or 2 sheets, or even one sheet and an additional
leaf or leaves. Each section of a book bears a
different SIGNATURE
(1) identification. See also: FOLDINGS . 2. In
library binding, a group of leaves of a book,
suitable for oversewing, not exceeding 0.055 inch
in thickness, except those of flexible, pulpy
paper which may be 0.065 inch in thickness. (173 , 208 , 264 )