n.
1.any division of quantity accepted as a standard of measurement or exchange
2.an individual or group or structure or other entity regarded as a structural or functional constituent of a whole
3.an organization regarded as part of a larger social group
4.a single undivided whole
5.a single undivided natural thing occurring in the composition of something else
6.an assemblage of parts that is regarded as a single entity
Idiom of the Day
incumbent upon (someone) to (do something)
necessary for someone to do something
It is incumbent upon the next mayor to try and do something about crime in the city.
