An escalator.

(chiefly UK) to fall over, to topple

Alternative form of sea stack

(theater) A stage that extends into the audience on three sides and is connected to the backstage area by its upstage end.

(forestry) A blue or grey discolouration in sapwood caused by mildew infection.

(Canada, US, slang) whisky (the alcoholic drink)

present participle of hot-stage

(intransitive, astronautics) To light the engine(s) of a rocket stage while still attached to the stage beneath it.

Alternative form of stage set

The disposition of props, scenery, etc. for a play. / (figuratively, by extension) The context or environmental surroundings of an event; ambiance.