Cutter number

noun

Cut·​ter number

ˈkətə(r)-,

ˈkətə(r)-

: a combination of characters representing an author's surname, composed of the initial letter or the first letters followed by numbers (as M62 = Milne, M64 = Milton), chosen to make the numerical order of the symbols correspond to the alphabetical order of the names, and used to arrange books in the same class alphabetically by authors

Word History

Etymology

after Charles A. Cutter †1903 American librarian

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now