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Ground stop -

A ground stop is issued by air traffic control to prevent the system from having to handle too many planes. 

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Flight deck -

The flight deck is another name for the cockpit—the part of an aircraft where the pilot and co-pilot sit and where the controls are. 

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The ramp -

This is the area closest to the terminal where planes and vehicles are active, such as the aircraft parking zones.

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Wheels-up time -

Wheels-up time refers to the point when a ground-stopped plane is expected to be fully flying. 

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Red-eye -

A red-eye is usually an overnight flight that arrives early in the morning.

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Pink-eye -

Nothing about conjunctivitis here! A pink-eye flight takes off earlier than a red-eye, but the difference is that it's not an overnight flight.

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All-call -

All-call is a request that each flight attendant reports via intercom from his or her station.

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Doors to arrival and crosscheck -

This announcement is usually used by the lead flight attendant to confirm that the emergency escape slides have been deactivated before the doors are open. 

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Area of weather -

Area of weather usually means a thunderstorm or an area of heavy precipitation.

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Last minute paperwork -

The meaning of this phrase involves checking the plane's weight-and-balance record, revising the flight plan, or waiting for maintenance staff to finish updating the logbook. 

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Holding pattern -

A holding pattern is a defined area of airspace in which an aircraft enters a circular or racetrack-shaped route to delay landing. 

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Apron -

The apron is any pavement that's not a taxiway or a runway, including areas where planes are parked or serviced. 

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Air pocket -

This is a colloquial term for a jolt of turbulence. 

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Galley -

The galley is the aircraft's small kitchen, where flight attendants prepare food, snacks, and beverages.

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Deadhead -

A pilot or flight attendant who is deadheading is basically traveling to a destination to be repositioned as part of an on-duty assignment. 

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Jump seat -

This is the seat used by flight attendants during takeoff and landing. It may not be the safest seat on an airplane, but it makes it easy for flight attendants to jump to attention.

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Final approach -

For the cabin crew and pilots, an airplane is on final approach during the latter portion of the descent. 

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Specials -

This term refers to passengers who require special attention, such as those with mobility issues, or any other sort of extra assistance.

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Runner -

A runner is a late passenger who is literally running to catch their departing flight. 

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Blue room -

Cabin crew often call the bathroom the blue room, which is a reference to the blue liquid used in aircraft toilets.

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Flight level -

This is a way of saying how many thousands of feet the plane is above sea level. 

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Spinner -

A spinner is a passenger who stands in the middle of the aisle, confused and likely spinning to find their seat on the airplane.

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U.M. -

A U.M. is an unaccompanied minor traveling alone and who is in the flight crew's care. 

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EFC time -

Short for expect further clearance time, EFC is the estimated time you'll be cleared to depart from the hold. 

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First officer -

The first officer, also known as co-pilot, is the second in command of the plane and sits on the right side of the cockpit. They wear three stripes on their shoulder to show their position. 

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Privo -

Privo is short for provisioning and refers to every consumable item on the aircraft, including beverages, snacks, and meals. 

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Alley -

This refers to a passageway between terminals or ramps.

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Holding pen -

The holding pen is the area surrounding the gate where passengers wait to board.

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Aircraft equipment -

Aircraft equipment means articles, including first-aid and survival equipment and commissary supplies, for use during flight.

Sources: (Independent) (Reader's Digest) (Business Insider) 

See also: What you should and shouldn't eat or drink on a flight

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