English dictionary

hub

/h/@/b/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

the central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes

noun.artifact

Source: WordNet 3.0
a center of activity or interest or commerce or transportation; a focal point around which events revolve

noun.location

Examples
The playground is the hub of parental supervision.

The airport is the economic hub of the area.

Source: WordNet 3.0
The central part, usually cylindrical, of a wheel; the nave. See <i>Illust.</i> of <u>Axle box</u>.

noun

Source: webster1913