noun A point in a program at which operation may be interrupted during debugging so that the state of the program at that point can be investigated.
noun A location referred to when issuing watches, warnings, or advisories for specific areas.
noun The point where surface water waves are breaking in, e.g., oceans or lakes.
noun A viewport width at which a web page is programmed to adjust the properties (such as position, size, or visibility) of certain elements within the page.