[1] : WordNet (r) 2.0

social unit
     n : an organization regarded as part of a larger social group;
         "the coach said the offensive unit did a good job";
         "after the battle the soldier had trouble rejoining his
         unit" syn: unit
see also:
unit 

Mass Unit >> M Words
Mass Unit, definition of term: Mass Unit
mass+unit_pag1.html

Loudness Unit >> L Words
Loudness Unit, definition of term: Loudness Unit
loudness+unit_pag1.html

Fractional Unit >> F Words
Fractional Unit, definition of term: Fractional Unit
fractional+unit_pag1.html

Control Unit >> C Words
Control Unit, definition of term: Control Unit
control+unit_pag1.html

Angstrom Unit >> A Words
Angstrom Unit, definition of term: Angstrom Unit
angstrom+unit_pag1.html