from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A longtime close friend or companion.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Close friend.
- n. Trusted companion or partner in a criminal organization.
- n. An old woman; a crone.
from the GNU version of the Collaborative International Dictionary of English
- n. A crone.
- n. An intimate companion; a familiar friend.
from The Century Dictionary and Cyclopedia
- n. A feeble and withered old woman; a crone.
- n. An old familiar friend; an intimate companion; an associate.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a close friend who accompanies his buddies in their activities
Possibly from Greek khronios, long lasting, from khronos, time.(American Heritage® Dictionary of the English Language, Fourth Edition)
Coined between 1655 and 1665 from Ancient Greek χρόνιος (khrónios, "perennial, long-lasting") (English chrono- ("time"), initially as Cambridge University slang, in sense of “chum”, as “friend of long standing”, with illegal connotation later. (Wiktionary)