Definify.com
Webster 1913 Edition
Vigesimo-quarto
Vi-ges′i-mo-quar′to
,Adj.
[L.
vigesimus quartus
twenty-fourth. Cf. Duodecimo
.] Having twenty-four leaves to a sheet;
as, a
. vigesimo-quarto
form, book, leaf, size, etcVi-ges′i-mo-quar′to
,Noun.
pl.
-tos
. A book composed of sheets each of which is folded into twenty-four leaves; hence, indicating more or less definitely a size of book so made; – usually written 24mo, or 24°.