Lunchbox is a common term used for a small container used to store and transport food for lunch. However, there are several synonyms for the word "lunchbox." One alternative term is "lunch pail," which refers to a container made of metal or plastic used by blue-collar workers to carry lunch to work. Another synonym is "bento box," which refers to a traditional Japanese lunch container that typically has multiple compartments. "Tiffin box" is a term used in Indian English to refer to a lunch container that is typically made of metal and has several compartments. Other synonyms include "food container," "meal carrier," and "lunch bag".