twenty-fourmo

twenty-fourmo is defined in Webster's Unabridged Dictionary (1913) with 1 sense. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.Having twenty-four leaves to a sheet; as, a twenty-fourmo form, book, leaf, size, etc. -- n. A book composed of sheets, each of which is folded into twenty- four leaves; hence, indicating more or less definitely a size of book whose sheets are so folded; -- usually written 24mo, or 24º.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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