COPRODUCT

"In mathematics, the coproduct of two objects in a category is a universal construction that generalizes the direct sum of sets, the free product of groups, the disjoint union of sets, and the wedge sum of topological spaces."

"The coproduct in the category of sets is the disjoint union of sets."

"In the category of groups, the coproduct is the free product of groups."

"The coproduct of two objects is often denoted using the symbol ⊕ or +."

"In algebraic topology, the coproduct of two spaces is called the wedge sum."