The Collaborative International Dictionary
han't
Hain't \Hain't\ (h[=a]nt). A contraction of have not or has not; as, I hain't, he hain't, we hain't. [Colloq. or illiterate speech.] [Written also han't.]
Wiktionary
han't
contraction 1 (context dialect archaic English) has not 2 (context dialect archaic English) have not