Seven names with the descriptor term lacuna have been approved for use on Titan. For more information, see the list of Titan lacunae and the map of the north polar region of Titan in the Gazetteer of Planetary Nomenclature.
Note: The official definition of a lacuna (pl., lacunae) is an "Irregularly shaped depression on Titan having the appearance of a dry lake bed." The seven new lacunae are: Atacama Lacuna, Eyre Lacuna, Jerid Lacuna, Melrhir Lacuna, Ngami Lacuna, Racetrack Lacuna and Uyuni Lacuna.
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