from The American Heritage® Dictionary of the English Language, 4th Edition
- n. One of the free-soil guerrillas in Kansas and Missouri during the border disputes of 1854 to 1859.
- n. A Unionist guerrilla.
- n. Informal A native or resident of Kansas.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An abolitionist raider in the Kansas-Missouri border skirmishes during the American Civil War
- n. a robber or bandit
From jayhawk, a fictitious bird.(American Heritage® Dictionary of the English Language, Fourth Edition)