Lisan al-Arab is a comprehensive Arabic dictionary compiled by the scholar Ibn Manzur in the 13th century. It serves as an essential reference for understanding the Arabic language, its vocabulary, and its grammar. The dictionary draws from various sources, including poetry, literature, and historical texts, making it a valuable resource for linguists and scholars. The title "Lisan al-Arab" translates to "The Language of the Arabs," reflecting its focus on the richness and diversity of Arabic. It includes definitions, synonyms, and examples of usage, helping readers grasp the nuances of words and phrases in the Arabic language.