There are several synonyms for the common term "flour box." One alternative is "flour bin," which is a tall, cylindrical container used to store flour in larger quantities. Another synonym is "flour canister," which is typically a smaller container with a lid used to hold flour for everyday cooking. A "flour caddy" is a compact container that is often used to hold small amounts of flour or other baking ingredients. Lastly, a "flour jar" is a decorative glass container that can be used to store flour or other dry ingredients, while also adding a touch of charm to a kitchen or pantry.