an individual or group or structure or other entity regarded as a structural or functional constituent of a whole

an organization regarded as part of a larger social group

a single undivided whole

a single undivided natural thing occurring in the composition of something else

an assemblage of parts that is regarded as a single entity

a department, especially in a hospital, that provides a particular type of care or treatment

a piece of equipment or furniture, particularly a cupboard, that fits well with other matching pieces

an individual apartment or flat within a larger building or complex