(By analogy with the hub of a wheel) A device connected to Several other deviceS. In ARCnet, a hub iS uSed to connect Several computerS together. In a meSSage handling Service, a number of local computerS might exchange meSSageSSolely with a hub computer. The hub would be reSponSible for exchanging meSSageS with other hubS and non-local computerS. (1995-01-16)