Attributive noun use (pack animal, pack ice) is treated in dictionary tradition as an adjective.
Translations
de bâtPour un animal utilisé pour porter des charges. They rented several pack animals for the mountain trek.
Ils ont loué plusieurs animaux de bât pour la randonnée en montagne.
de banquiseRelatif à une masse compacte de glace de mer. A ship designed for pack navigation can withstand pressure from pack ice.
Un navire conçu pour la navigation dans la banquise peut résister à la pression de la glace de mer.
Definitions
Designed for carrying loads or relating to a pack used for transport or storage. They rented several pack animals for the mountain trek.
Relating to, consisting of, or resembling a dense layer or mass, especially of ice. A ship designed for pack navigation can withstand pressure from pack ice.