Wagon vaults" refer to the storage space in a wagon or a coach. Some synonyms for this term could be carriage compartments, coach bins, wagon lockers, or cart storage. Other possible synonyms are vehicle holds, cart vaults, coach boxes, and carriage lockers. Depending on the type of wagon or coach, different synonyms may apply. For example, a covered wagon might have wagon chests or wagon trunks, while a horse-drawn carriage might have carriage compartments or coach boxes. Regardless of the name used, the purpose of these storage spaces is to secure the cargo or passengers during transportation.