1. A Hindu or Muslim clerk or official in India during the British colonial period.
Usage: historical; often capitalized; chiefly British Indian English
2. A Hindu gentleman or man of education and refinement in India.
Usage: historical; respectful term

Examples

• The baboo kept meticulous records of all the company's transactions.
• He was employed as a baboo in the colonial administration.
• The local baboo was respected for his education and literacy.
• Many baboos served as intermediaries between British officials and Indian communities.