Nonstandard Older Use.
ain't; have not; has not.
Origin of hain't
1830–40, Americanism; orig. contraction of have not, has not (with loss of consonant and compensatory lengthening of a); influenced in use by ain't
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
has not, have not, or is not
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012