Definition of "winglet" [wing•let]

• A small or rudimentary wing. (noun)
• A short, almost vertical stabilizing fin projecting from the tip of an aircraft wing. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "In addition to new methods of providing service, Cessna is also expanding the types of support available through the company's Citation Service Network to include structural enhancements such as winglet installation for the Citation X and glass cockpit upgrades for a variety of early edition Citations."
• "E.g. I don't mind KC-135, since if you look at the info, it's not actually the KC-135 (a military tanker) that you're voting on, but rather the successful NASA winglet technology mission."
• "Sharkey looked out the window, the sky was clear; the rainforest stretched out as far as the horizon, but there was a jagged edge at the end of the wing, where the five-foot-tall winglet was supposed to be."