Definitions for quick bread
Random House Webster's College Dictionary
bread made with a leavening agent, as baking powder or soda, that permits immediate baking.
Origin of quick bread:
breads made with a leavening agent that permits immediate baking
A type of bread which is leavened with agents other than yeast (such as baking soda plus an acid) and thus rises more quickly.
Quick bread is a type of bread which is leavened with leavening agents other than yeast. Quick breads include many cakes, brownies and cookies, as well as banana bread, beer bread, biscuits, cornbread, muffins, pancakes, scones, and soda bread.