Definition of "auld lang syne" []

• The times gone past; the good old days. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "In the days of auld lang syne the Rhynns of Galloway ” that hammer-headed promontory of Scotland which looks towards Belfast Lough ” was the home of two great families, the Agnews and the Adairs."