— proslaver , n. — proslaveryism , n.
/proh slay"veuh ree, -slayv"ree/ , adj.
1. favoring slavery.
2. U.S. Hist. favoring the continuance of the institution of slavery of blacks, or opposed to interference with it.
n.
3. the favoring or support of slavery.
[ 1830-40, Amer.; PRO- 1 + SLAVERY ]