'Hub' definitions:
Definition of 'hub'
From: WordNet
noun
The central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes
noun
A center of activity or interest or commerce or transportation; a focal point around which events revolve; "the playground is the hub of parental supervision"; "the airport is the economic hub of the area"
Definition of 'Hub'
From: GCIDE
- Hub \Hub\ (h[u^]b), n. [See 1st Hob.]
- 1. The central part, usually cylindrical, of a wheel; the nave. See Illust. of Axle box. [1913 Webster]
- 2. The hilt of a weapon. --Halliwell. [1913 Webster]
- 3. A rough protuberance or projecting obstruction; as, a hub in the road. [U.S.] See Hubby. [1913 Webster]
- 4. A goal or mark at which quoits, etc., are cast. [1913 Webster]
- 5. (Diesinking) A hardened, engraved steel punch for impressing a device upon a die, used in coining, etc. [1913 Webster]
- 6. A screw hob. See Hob, 3. [1913 Webster]
- 7. A block for scotching a wheel. [1913 Webster]
- 8. The central location within which activities tend to concentrate, or from which activities radiate outward; a focus of activity. [PJC]
- 9. Hence: (Aeronautics) A large airport used as a central transfer station for an airline, permitting economic air transportation between remote locations by directing travellers through the hub, often changing planes at the hub, and thus keeping the seat occupancy rate on the airplanes high. The hub together with the feeder lines from remote locations constitute the so-called
- hub and spoke system of commercial air passenger transportation. A commercial airline may have more than one such hub. [PJC]
- 10. The city of Boston, Massachusetts referred to locally by the nickname The Hub. [PJC]
- Hub plank (Highway Bridges), a horizontal guard plank along a truss at the height of a wagon-wheel hub.
- Up to the hub, as far as possible in embarrassment or difficulty, or in business, like a wheel sunk in mire; deeply involved. [Colloq.] [1913 Webster]
Definition of 'hub'
From: GCIDE
- nave \nave\ (n[=a]v), n. [AS. nafu; akin to D. naaf, G. nabe, OHG. naba, Icel. n["o]f, Dan. nav, Sw. naf, Skr. n[=a]bhi nave and navel: cf. L. umbo boss of a shield. [root]260. Cf. Navel.]
- 1. The block in the center of a wheel, from which the spokes radiate, and through which the axle passes; -- called also hub or hob. [1913 Webster]
- 2. The navel. [Obs.] --hak. [1913 Webster]
Synonyms of 'hub'
From: Moby Thesaurus
- approach,
- arbor,
- asymptote,
- axis,
- axle,
- axle bar,
- axle shaft,
- axle spindle,
- axle-tree,
- bottleneck,
- center,
- center of action,
- center of gravity,
- centroid,
- centrum,
- chimney,
- chimney corner,
- collision course,
- concentralization,
- concentration,
- concourse,
- concurrence,
- confluence,
- conflux,
- congress,
- convergence,
- converging,
- core,
- crossing,
- dead center,
- distaff,
- epicenter,
- fender,
- fire screen,
- fireboard,
- fireguard,
- fireplace,
- fireside,
- flue,
- focal point,
- focalization,
- focus,
- fulcrum,
- funnel,
- gimbal,
- gudgeon,
- heart,
- hearth,
- hearthstone,
- hinge,
- hingle,
- hob,
- ingle,
- inglenook,
- ingleside,
- kernel,
- mandrel,
- marrow,
- medulla,
- meeting,
- metacenter,
- middle,
- mutual approach,
- narrowing gap,
- nave,
- navel,
- nerve,
- nub,
- nucleus,
- oarlock,
- omphalos,
- pin,
- pintle,
- pith,
- pivot,
- pole,
- radiant,
- radius,
- rowlock,
- seat,
- smokehole,
- spindle,
- spokes,
- storm center,
- swivel,
- tangent,
- trunnion,
- umbilicus