naustibulum
From LSJ
Latin > English (Lewis & Short)
naustĭbŭlum: i, n. navis,
I a vessel shaped like a ship: naustibulum vocabant antiqui vas alvei simile, videlicet a navis similitudine, Paul. ex Fest. p. 168 and 169 Müll.
Latin > French (Gaffiot 2016)
naustĭbŭlum, ī, n. (navis), naustibule, vase en forme de barque : P. Fest. 168 ; 169.