noun: (programming) 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: (meteorology) A location referred to when issuing watches, warnings, or advisories for specific areas.
noun: (physics) The point where surface water waves are breaking in, e.g., oceans or lakes.
noun: (web development) A particular size at which a web page is designed to switch to a different layout.
verb: (programming, transitive) To flag with a breakpoint.