from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A portable computer small enough to use on one's lap.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A laptop computer.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a portable computer small enough to use in your lap
lap + top. (Wiktionary)