o·lo·ro·so (??l?-r??s?, -z?)n. pl. o·lo·ro·sos A full-bodied, medium-sweet sherry.[Italian, fragrant, from Late Latin *ol?r?sus, variant of od?r?sus, from Latin odor, od?r-, odor.]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.oloroso (??l??r??s??) n (Brewing) a full-bodied golden-coloured sweet sherry[from Spanish: fragrant]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014