Previous definitions:
1.
A small, cup cake shaped bread that can be made with various flours (e.g. wheat flour, corn meal, etc.) and often has fruits or nuts added. They can be sweet or savory, and are often eaten at breakfast (especially the sweet ones). Muffins are usually baked in a muffin pan (or muffin tin).
As defined by Mechanical Turk
on November 01, 2011