A small, individual-size cake that's usually baked in a muffin pan. Sometimes the cupcake mold is lined with a crimped paper or foil cup. After baking, the paper or foil is simply peeled off before the cupcake is eaten.
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.