from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Usually insubstantial words or actions intended to convince or impress: resorted to hand waving instead of arguing rationally.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Discussion or argumentation involving approximation, vagueness, educated guessing, or the attempt to explain or excuse vagaries.
Sorry, no etymologies found.
Hiro flickered momentarily into view, his sky-black hand waving for them to drop down into the canopy.