(baseball, of a hit) That drives in a run that ends a game.

A prisoner who escapes custody without violence by taking advantage of the opportunity provided by negligent or distracted guards. / A walkout.

Used other than figuratively or idiomatically: A recreational walk in a park. / (idiomatic) Something easy or pleasant.

To walk with no real planned destination, but to just walk, to meander "around".

Any activity performed by an astronaut outside of a space vehicle in space.

(of an apartment etc) Reached by stairs rather than an elevator. / (of a block of apartments) Containing such flats. / (of a service) For which no appointment is necessary.

(intransitive) To stage a walkout or strike. / (intransitive) To leave suddenly, especially as a form of protest. / (intransitive, dated) To go out with; to be romantically involved.

(US) An apartment or block with stairs rather than an elevator. / (aviation) An informal visit to a control tower by a pilot, typically used as part of pilot training.

(informal, transitive) To abandon or desert someone, especially a spouse.

A horse race in which only a single horse competes. / (by extension) An uncontested or very easy victory.