n., pl., fi·lets mi·gnons (fĭ-lā' mēn-yôN', fĭl'ā).
A small, round, very choice cut of beef from the loin.
[French : filet, fillet + mignon, dainty.]
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.