Mahan Kosh is a comprehensive Punjabi dictionary compiled by Maharaja Ranjit Singh's court poet, Sardar Kahn Singh Nabha. It was first published in 1902 and serves as an important linguistic resource for understanding the Punjabi language, its vocabulary, and its cultural context. The dictionary includes definitions, synonyms, and examples, making it a valuable tool for scholars and language enthusiasts. The dictionary is organized alphabetically and covers a wide range of topics, including literature, history, and folklore. Mahan Kosh not only preserves the richness of the Punjabi language but also reflects the cultural heritage of the Punjab region, contributing to the study of Punjabi literature and linguistics.