The nephew or niece of someone's stepfather or stepmother. / The stepson or stepdaughter of someone's uncle or aunt. / The son or daughter of someone's stepuncle or stepaunt.

plural of step-cousin

plural of step-through

Alternative form of half step

(slang) To break wind.

(roofing) Individual pieces of sheet metal material used to flash walls, around chimneys, dormers and such projections along the slope of a roof. Individual pieces are overlapped and stepped up the vertical wall.

plural of step change

(aviation) An instance of step climbing.

(aviation, usually intransitive, of an aircraft) To periodically climb to higher and higher altitudes during cruise flight, as the aircraft becomes lighter from fuel burnoff, to take advantage of the reduced drag at higher altitudes; like cruise-climbing, but with the aircraft climbing in discrete steps instead of continuously.

plural of step-climb