any wisdom or cleverness that comes too late; also called after-wit
Staircase wit is the biting ripostes that are thought of just seconds too late, on the way out of the room – or even days later.
fr. Fr. l’esprit d’escalier
noun an exercise machine that simulates climbing stairs; also called StairMaster (trademark)
noun 1. the top of a staircase; top landing. noun 1. the top of a flight of stairs
noun 1. a mechanical device with a seat for carrying an elderly or infirm person up a flight of stairs