Ad Hok

Ad hoc is a Latin phrase meaning literally for this. In English, it typically signifies a solution for a specific purpose, problem, or task rather than a generalized solution adaptable to collateral instances (compare with a priori).
Common examples are ad hoc committees and commissions created at the national or international level for a specific task. For example, in other fields, the term could refer to a military unit created under special circumstances (see task force), a handcrafted network protocol... plus