Webster’s Revised Unabridged Dictionary · 1913
Chit
Chit, Chit′ty, n. [Hind. chiṭṭī.] 1. A short letter or note; a written message or memorandum; a certificate given to a servant; a pass, or the like.
2. A signed voucher or memorandum of a small debt, as for food and drinks at a club. [India, China, etc.]