chatty, n.¹ — Green’s Dictionary of Slang

chatty n.¹

[Tamil shatti, Telegu chatti, a pot; orig. Anglo-Ind. but spread across the British Empire]

a pot.

1854		E.R. Sullivan Bungalow or Tent 274: We were obliged, coolie-like, to [...] content ourselves with pouring chatties of water over our heads.
1886		Yule & Burnell Hobson-Jobson (1996) 185: chatty, s. An earthen pot, spheroidal in shape. It is a S. Indian word, but is tolerably familiar in Anglo-Indian parlance of N. India.