an umbrella-shaped piece of equipment used to slow the descent of a person or object falling through the air

In physics, the downward motion of an object where the only force acting upon it is gravity; specifically used for falling without a parachute or the unconstrained motion of a spacecraft when engines are cut.

paratrooper unit or airborne troops

location where a spacecraft or aircraft lands; landing area

to perform a parachute jump

runway at an airport or airfield

emergency landing of an aircraft due to mechanical failure or other urgent circumstances; to force-land