This website uses cookies to ensure you get the best experience on our website. Learn more
Meaning Of Octodecimo
a.
Having eighteen leaves to a sheet; as, an octodecimo
form, book, leaf, size, etc.
n.
A book composed of sheets each of which is folded into
eighteen leaves; hence; indicating more or less definitely a size of
book, whose sheets are so folded; -- usually written 18mo or 18¡, and
called eighteenmo.