from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A recreational aircraft constructed of lightweight materials such as aluminum, graphite composites, or high-strength plastics, having an engine of roughly 15 to 40 horsepower and often resembling a hang glider with wings.
- adj. Very light.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Extremely light; weighing very little, of utmost lightness.
- n. an aircraft that weighs very little
ultra- + light (Wiktionary)