The phrase "departure terminal" refers to the area in an airport where people say goodbye to their loved ones and board their flights to go to a different location. Full definition
Otherwise take your bags with you to your onward departure terminal. (virginaustralia.com)
LOCATION: Globe@YVR is located in the lobby level of Fairmont Vancouver Airport, situated directly above US departures terminal at Vancouver International Airport (YVR). (fairmont.com)
Sofitel Athens Airport is just 50 meters from the arrivals and departures terminals of Athens International Airport. (sofitel.com)