1. A free composition structured according to the composer's fancy. Also called fantasy.
2. A medley of familiar themes, with variations and interludes.

[Italian, from Latin phantasia, fantasy. See fantasy.]

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.