sixty-fourmo From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounSexagesimo-quarto (as a paper size in printing). Related wordsSynonymssixtyfourmoforty-eightmotwenty-fourmosixteenmosexagesimo-quartoquadragesimo-octavosixmoeighteenmo24mofortyeightmo16motwentyfourmo48mosextodecimosixtiethvicesimo-quarto References Wiktionary — sixty-fourmo Wikipedia — sixty-fourmo