/ Dictionary / Index A archetto: Meaning and Definition of Find definitions for: ar•chet•to Pronunciation: (är-ket'ō), [key] — pl. -tos. a tool, consisting of a bow strung with wire, for trimming excess material from a piece being modeled. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. archesporium archetype Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language