Delicious, crunchy pieces of either pork or poultry fat after it has been rendered, or the crisp, brown skin of fried or roasted pork. Cracklings are sold packaged in some supermarkets and specialty markets. "Cracklin' bread" is cornbread with bits of cracklings scattered throughout.
From The Food Lover's Companion, Fourth edition by Sharon Tyler Herbst and Ron Herbst. Copyright © 2007, 2001, 1995, 1990 by Barron's Educational Series, Inc.