The Collaborative International Dictionary of English v.0.48:
menu \men"u\ (m[e^]n"y[=oo]), n. [F., slender, thin, minute. See
1. The details of a banquet; a list of the dishes served at a
meal, whether or not one has a choice.
2. Any list of objects, activities, etc. from which to
choose; a selection of alternatives.
3. Hence:A list of dishes form which to choose at a
restaurant; a bill of fare.
4. Hence: (Computers) A list displayed on the computer
screen, by which a program provides the user with
different options for processing by the program. It
usually includes a mechanism, such as pointing by a mouse
or selection by arrow keys, to select the desired option
from those on the list. Depending on how the menu is
displayed, it may be a pop-up menu or pull-down menu.