from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Something released before an official or scheduled date.
- adj. Of or relating to an interval preceding an official or scheduled release: a prerelease demonstration of a product; a prison prerelease program.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Before release.
from The Century Dictionary and Cyclopedia
- n. Early release; release before the right time; in an engine, the opening of the exhaust-port before the piston has reached the end of its stroke. This is done to allow the steam or gases time to escape before the piston starts on its return stroke.
Sorry, no etymologies found.