riblet
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rib·let
(rĭb′lĭt)n.
1. A cut of meat from the end of a rib, as of pork.
2. One of a series of microscopic grooves applied to the surface of an airplane's skin or a boat's hull to reduce drag.
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.
riblet
(ˈrɪblət)n
a small rib or the portion of meat cut off at the top of the rib
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014