In radio, a band is a section of radio spectrum.
A band is a strip of material in a loop, used for binding, such as a rubber band.
A band is a group of musicians playing parts of a musical arrangement on different musical instruments. See musical band.
See also The Band, the Canadian/American rock group of the late 1960s and early 1970s.
In a similar sense, a band can also refer to a group of people who are bound together by a common cause, especially if it is one not officially sanctioned by authority. eg. 'band' of pirates or brigands, 'band' of rebels, 'robber band'.
A band can be a "broad" line or curve.
See also: