conjugal family, nuclear family - a family consisting of parents and their children and grandparents of a marital partner

extended family - a family consisting of the nuclear family and their blood relatives

foster family - the family of a fosterling

foster home - a household in which an orphaned or delinquent child is placed (usually by a social-service agency)

menage a trois - household for three; an arrangement where a married couple and a lover of one of them live together while sharing sexual relations

social unit, unit - 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"

kin group, kindred, kinship group, clan, kin, tribe - group of people related by blood or marriage

mates, couple, match - a pair of people who live together; "a married couple from Chicago"

man and wife, married couple, marriage - two people who are married to each other; "his second marriage was happier than the first"; "a married couple without love"

Marx Brothers - a family of United States comedians consisting of four brothers with an anarchic sense of humor

child, kid - a human offspring (son or daughter) of any age; "they had three children"; "they were able to send their kids to college"

parent - a father or mother; one who begets or one who gives birth to or nurtures and raises a child; a relative who plays the role of guardian

sib, sibling - a person's brother or sister

people - members of a family line; "his people have been farmers for generations"; "are your people still alive?"

homefolk - the people of your home locality (especially your own family); "he wrote his homefolk every day"

house - aristocratic family line; "the House of York"

dynasty - a sequence of powerful leaders in the same family

gens, name - family based on male descent; "he had no sons and there was no one to carry on his name"

blood line, bloodline, ancestry, lineage, pedigree, stemma, line of descent, blood, parentage, origin, descent, stock, line - the descendants of one individual; "his entire lineage has been warriors"

class Larvacea, Larvacea - small free-swimming tunicates; sometimes classified as an order

class Diplopoda, class Myriapoda, Diplopoda, Myriapoda - arthropods having the body composed of numerous double somites each with two pairs of legs: millipedes

Malacostraca, subclass Malacostraca - largest subclass of Crustacea including most of the well-known marine, freshwater, and terrestrial crustaceans: crabs; lobsters; shrimps; sow bugs; beach flies

grammatical category, syntactic category - (grammar) a category of words having the same grammatical properties

substitution class, paradigm - the class of all items that can be substituted into the same position (or slot) in a grammatical sentence (are in paradigmatic relation with one another)

aggregation, collection, accumulation, assemblage - several things grouped together or considered as a whole

stamp - a type or class; "more men of his stamp are needed"

sex - either of the two categories (male or female) into which most organisms are divided; "the war between the sexes"

declension - a class of nouns or pronouns or adjectives in Indo-European languages having the same (or very similar) inflectional forms; "the first declension in Latin"

conjugation - a class of verbs having the same inflectional forms

denomination - a class of one kind of unit in a system of numbers or measures or weights or money; "he flashed a fistful of bills of large denominations"

superphylum - (biology) a taxonomic group ranking between a phylum and below a class or subclass

association - a formal organization of people or groups of people; "he joined the Modern Language Association"

koinonia - Christian fellowship or communion iwth God or with fellow Christians; said in particular of the early Christian community

Bunyaviridae - a large family of arboviruses that affect a wide range of hosts (mainly vertebrates and arthropods)

Filoviridae - a family of threadlike RNA viruses that cause diseases in humans and nonhuman primates (monkeys and chimpanzees)

Togaviridae - a family of arboviruses carried by arthropods

Flaviviridae - a family of arboviruses carried by arthropods

Arenaviridae - a family of arborviruses carried by arthropods

Rhabdoviridae - a family of arborviruses carried by arthropods

Reoviridae - a family of arboviruses carried by arthropods

bacteria family - a family of bacteria

protoctist family - any of the families of Protoctista

Endamoebidae, family Endamoebidae - a large family of endoparasitic amebas that invade the digestive tract

fish family - any of various families of fish

chordate family - any family in the phylum Chordata

bird family - a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings

amphibian family - any family of amphibians

reptile family - a family of reptiles

arthropod family - any of the arthropods

mammal family - a family of mammals

coelenterate family - a family of coelenterates

ctenophore family - a family of ctenophores

worm family - a family of worms

mollusk family - a family of mollusks

family Panorpidae, Panorpidae - a family of insects of the order Mecoptera

Bittacidae, family Bittacidae - a family of predacious tropical insects of the order Mecoptera

echinoderm family - a family of echinoderms

biological science, biology - the science that studies living organisms

taxon, taxonomic category, taxonomic group - animal or plant group having natural relations

order - (biology) taxonomic group containing one or more families

form family - (biology) an artificial taxonomic category for organisms of which the true relationships are obscure

subfamily - (biology) a taxonomic category below a family

tribe - (biology) a taxonomic category between a genus and a subfamily

genus - (biology) taxonomic group containing one or more species

moss family - a family of mosses

liliopsid family, monocot family - family of flowering plants having a single cotyledon (embryonic leaf) in the seed

dicot family, magnoliopsid family - family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

fungus family - includes lichen families

plant family - a family of plants

fern family - families of ferns and fern allies

affine - (anthropology) kin by marriage

relative, relation - a person related by blood or marriage; "police are searching for relatives of the deceased"; "he has distant relations back in New Jersey"

gangdom, gangland, organized crime - underworld organizations

Cosa Nostra, Maffia, Mafia - a crime syndicate in the United States; organized in families; believed to have important relations to the Sicilian Mafia