from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To seize and detain unlawfully and usually for ransom.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To seize and detain a person unlawfully; sometimes for ransom.
- n. An instance of kidnapping.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To take (any one) by force or fear, and against one's will, with intent to carry to another place.
from The Century Dictionary and Cyclopedia
- To steal, abduct, or carry off forcibly (a human being, whether man, woman, or child). In law it sometimes implies a carrying beyond the jurisdiction.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. take away to an undisclosed location against their will and usually in order to extract a ransom
Probably kid + nap, to snatch (perhaps variant of nab and or of Scandinavian origin).(American Heritage® Dictionary of the English Language, Fourth Edition)
From kid ("child") + nap ("nab, grab") (Wiktionary)