Definition of

4to

  1. (noun, attribute) the size of a book whose pages are made by folding a sheet of paper twice to form four leaves

via WordNet, Princeton University

Synonyms of 4to

quarto

Alternate forms of 4to

Hypernyms: size

Note: If you're looking to improve your vocabulary right now, we highly recommend Ultimate Vocabulary Software.

Word of the Moment

Milk Powder

dehydrated milk