Definitions for "Combo Box"
Keywords:  dropdown, arrow, popup, widget, drop
A drop down menu which when you click on it (or select it via a screen reader) provides a menu of options from which you can select. These usually appear on forms.
A standard Windows control that combines a text box and interdependent list box. Compare drop-down combo box.
A control combining a list box and a text box that allows you to enter a value or select an item from a list.
a compound component -- it is comprised of two or more other components