<p><strong>Noun:</strong></p><ul><li>the central part of a wheel, as that part into which the spokes are inserted.</li><li>the central part or axle end from which blades or spokelike parts radiate on various devices, as on a fan or propeller.</li><li>a center around which other things revolve or from which they radiate; a focus of activity, authority, commerce, transportation, etc.: Chicago is a railroad hub.</li><li>Synonyms: heart, pivot, core.</li><li>the Hub, Boston, Massachusetts (used as a nickname).</li><li>the peg or hob used as a target in quoits and similar games.</li><li>any one of the holes in an electrical panel, into which connections may be plugged.</li><li>Computers: a device connecting others in a network and enabling communication among them by receiving data packets from any of the devices and broadcasting them to every device on the network irrespective of the intended destination: used primarily in small local area networks. Compare switch (def 6a).</li><li>Coining: a design of hardened steel in relief, used as a punch in making a die.</li><li>Surveying: a stake bearing a tack used to mark a theodolite position.</li><li>Metalworking: a die forced into a metal blank.</li></ul><p><strong>Verb:</strong></p><ul><li>(used with object) hubbed, hubbing: Metalworking: to stamp (a metal blank) with a hub.</li></ul>