A barracoon (from Catalan barraca (`hut`) through Spanish barracón) is a type of barracks used historically for the temporary confinement of slaves or criminals. In the Atlantic slave trade, captured individuals were temporarily transported to and held at barracoons along the western coast of the continent, where they awaited transportation acr.....
depot for slaves
• (n.) A slave warehouse, or an inclosure where slaves are quartered temporarily.
Bar'ra·coon` noun [ Spanish or Portuguese barraca . See Barrack .] A slave warehouse, or an inclosure where slaves are quartered temporarily. Du Chaillu. 
A barracoon was formerly a Negro barrack or slave depot. They were formerly plentiful on the west coast of Africa, in Cuba, Brazil, etc.