to or from every one of two or more (considered individually); "they received $10 each"
If a number of similar things are for sale at a certain price apiece, that is the price for each one of them. Entire roast chickens were sixty cents apiece. = each. costing or having a particular amount each
If people have a particular number of things apiece, they have that number each. He and I had two fish apiece = each