A skimmer is a type of small auxiliary vehicle designed for atmospheric flight. The Cardassians used skimmers to transport ground forces during the Occupation of Bajor. (DS9: "The Darkness and the Light")
A raid conducted by the Shakaar Resistance Cell with four mortar rounds on the central compound resulted in the destruction of five skimmers, and fifteen Cardassians. (DS9: "Ties of Blood and Water")
The Proxcinians purchased 7,000 tritanium-plated assault skimmers though Hagath and Gaila's arms business for the Proxcinian War. (DS9: "Business as Usual")