ro·co·co (r?-k??k?, r??k?-k??)n. also Rococo1. a. A style of art, especially architecture and decorative art, that originated in France in the early 1700s and is marked by elaborate ornamentation, as with a profusion of scrolls, foliage, and animal forms.b. A very ornate style of speech or writing.2. Music A style of composition arising in the 1700s in France, often viewed as an extension of the baroque, and characterized by a high degree of ornamentation and lightness of expression.adj.1. also Rococo Of or relating to the rococo.2. Immoderately elaborate or complicated.[French, probably alteration of rocaille, rockwork, from roc, rock, variant of roche, from Vulgar Latin *rocca.]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.rococo (r??k??k??) n (often capital) 1. (Architecture) a style of architecture and decoration that originated in France in the early 18th century, characterized by elaborate but graceful, light, ornamentation, often containing asymmetrical motifs2. (Classical Music) an 18th-century style of music characterized by petite prettiness, a decline in the use of counterpoint, and extreme use of ornamentation3. any florid or excessively ornamental styleadj4. (Classical Music) denoting, being in, or relating to the rococo5. (Architecture) denoting, being in, or relating to the rococo6. florid or excessively elaborate[C19: from French, from rocaille, from roc rock1]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014ro?co?co (r??ko? ko?, ?ro? k??ko?) n. 1. an artistic style, chiefly of 18th-century France, marked by elegance and delicate ornamentation. 2. a homophonic 18th-century musical style marked by a witty fluency. adj. 3. pertaining to or characteristic of rococo. 4. ornate or florid in speech, literary style, etc. [1830?40;