Porthole
A porthole is a circular window found on a ship or yacht’s hull. Its purpose is to let light and, in some cases, fresh air into the cabins and internal spaces on the vessel’s lower decks, which are otherwise enclosed.
A porthole is a circular window found on a ship or yacht’s hull. Its purpose is to let light and, in some cases, fresh air into the cabins and internal spaces on the vessel’s lower decks, which are otherwise enclosed.