an assemblage of parts that is regarded as a single entity | a notation written on mail that is to be held at the post office until called for (not in the United States or Canada) |
a single undivided whole | the part of a post office that handles mail for persons who call for it |
an organization regarded as part of a larger social group | |
a single undivided natural thing occurring in the composition of something else | |
any division of quantity accepted as a standard of measurement or exchange | |
an individual or group or structure or other entity regarded as a structural or functional constituent of a whole | |