Ad hoc

Ad hoc is a Latin phrase which means for this [purpose]. It generally signifies a solution that has been tailored[?] to a specific purpose, such as a tailor-made suit, a handcrafted network protocol, and specific-purpose equation and the like.

In computer networking, ad-hoc is a connection method for wireless LANs that requires no base station — devices discover others within range to form a network "for those" computers. See IEEE 802.11. The alternative is infrastructure, with a base station that manages the network for its range.