a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | primary social group; parents and children |
| people descended from a common ancestor |
| a social unit living together |
| (biology) a taxonomic group containing one or more genera |
| a collection of things sharing a common attribute |
| an association of people who share common beliefs or activities |
| a loose affiliation of gangsters in charge of organized criminal activities |
| a person having kinship with another or others |