Octodecimo
Pronunciation : Oc`todec"i*mo
Part of Speech : a.
Etymology : [L. octodecim eighteen. See Octavo, Decimal, and -mo.]
Definition : Defn: Having eighteen leaves to a sheet; as, an octodecimo form, book, leaf, size, etc.
Source : Webster's Unabridged Dictionary, 1913
Pronunciation : Oc`to*dec"i*mo
Part of Speech : n.;
Definition : Defn: 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.
pl. Octodecimos (.
Source : Webster's Unabridged Dictionary, 1913