Definition of "gwine"

Well, I want spectin nothin; only Sam, he's a gwine to de river with some colts, and he said I could go long with him; so I jes put my things together.

1852, Harriet Beecher Stowe, chapter 21, in Uncle Tom's Cabin

“Come on, you Snowflake,” he called, cracking his long whip. “You're gwine to get your sugar, but you-all is gwine to earn it first.”

1921, Emilie Benson Knipe, Alden Arthur Knipe, Diantha's Quest, New York: The Macmillan company, page 78