1. A book in which a sheet is folded into twelve leaves.

2. Having or consisting of twelve leaves to a sheet.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• suodecimo,
• xuodecimo,
• cuodecimo,
• fuodecimo,
• ruodecimo,
• euodecimo,
• dyodecimo,
• dhodecimo,
• djodecimo,
• duodecumo,
• duodedcimo,
• duodecimio,
• duodecimoo,
• duodecimoe,
• duodecimos,
• Duodeciamo,
• Duodecimom,
• Duedecimo,
• Duodeciemo,
• Duodecemo

The adjective form of the word "duodecimo" is "duodecimo" itself.

The plural of the "Duodecimo" can be the "duodecimos".

The singular of the "Duodecimo" can be the "Duodecimo".