Key: "S:" = Show Synset (semantic) relations, "W:" = Show Word (lexical) relations
Display options for sense: (gloss) "an example sentence"
Noun
S: (n) hub (the central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes)
S: (n) hub (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"