(object-oriented programming) An object that encapsulates a function pointer (or equivalent).

A person presiding over a meeting. / The head of a corporate or governmental board of directors, a committee, or other formal entity.

(archaic, UK, Scotland, dialect) To attend to; to heed / (archaic, UK, Scotland, dialect) to guard; to hinder.

Near the end of a period of time. / Specifically, near the end of the day. / (usually not comparable) Associated with the end of a period. / Not arriving until after an expected time.