Word Study
4to
WORDNET DICTIONARY
Noun 4to has 1 sense
- 4to(n = noun.attribute) quarto - the size of a book whose pages are made by folding a sheet of paper twice to form four leaves; Array is a kind of size
CIDE DICTIONARY
4to, n.
the size of a book whose pages are made by folding a sheet of paper twice to form four leaves. [WordNet 1.5]
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