Scar·lat·ti (skär-lä?t?), Alessandro 1660-1725. Italian composer who influenced the development of modern opera. His son Domenico (1685-1757), a harpsichordist, wrote numerous works for the instrument.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.Scarlatti (sk???læt?) n1. (Biography) Alessandro (ales?sandro). ?1659?1725, Italian composer; regarded as the founder of modern opera2. (Biography) his son, (Giuseppe) Domenico (do?me?niko). 1685?1757, Italian composer and harpsichordist, in Portugal and Spain from 1720. He wrote over 550 single-movement sonatas for harpsichord, many of them exercises in virtuoso techniqueCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014Scar?lat?ti (sk?r?l? ti) n. 1. Alessandro, 1659?1725, Italian composer. 2. his son, Domenico, 1685?1757, Italian composer. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.