The dividing line or location between two areas.
An edge or line marking an edge of the playing field.
The bounds, confines, or limits between immaterial things (such as one’s comfort zone, privacy, or professional sphere and the realm beyond).
An event whereby the ball is struck and either touches or passes over a boundary (with or without bouncing), usually resulting in an award of 4 (four) or 6 (six) runs respectively for the batting team.
(of a set) The set of points in the closure of a set S, not belonging to the interior of that set.
Either of the two points at the ends of a line segment.
The entity at one end of a connection.
A defined occurrence during the observation period of an experiment or study.
The stage in a titration at which a change in the colour of an indicator indicates that no more titrant should be added.
Part of a system that serves as a hook, allowing third-party code to intercept and modify behaviour at that point.
Either of the two nodes of a graph of degree 1.