| A | B |
| marriage | customs, rules, and obligations that establish a special relationship between a sexually cohabitating adult male and female |
| incest taboos | prohibition on mating between relatives |
| exogamy | marriage outside the group |
| endogamy | marriage within the group |
| cross cousins | related through siblings of the opposite sex at the parental generation |
| parallel cousins | related through siblings of the same sex at the parental generation |
| preferential cross | cousin marriage |
| levirate | custon whereby a man marries the window of his dead brother |
| sororate | custom whereby a woman marries the widower of her dead sister |
| monogamy | permits only one spouse |
| serial monogomy | only one spouse at a time, but can have more than one in a lifetime (divorces) |
| polygamy | more than one spouse |
| polygyny | one man has several wives |
| polyandry | one woman has several husbands |
| sororal polygyny | man marries sisters so that they will get along better as co-wifes than strangers would |
| fraternal polyandry | woman marries one brother and automatically become the wife of his other brothers, even if they are born after the marriage |
| bride service | husband must work for a specified period of time for his wife's family in exchange for marital rights |
| bridewealth | cash or goods are given by the groom's kin to the bride's kin to seal a marriage (most common form of marriage exchange) |
| dowry | presentation of goods by the bride's kin to the groom's family - often kept by the couple once they are married |
| nuclear family | organized around hisband and wife and their children |
| conjugal tie | relationship between a husband and wife |
| extended family | based on blood relations extending over three of more generations |
| domestic group | household - not necessarily limited to family |
| neolocal residence | married couple establishes an independent household |
| composite (compound) family | more than one nuclear family linked by a common spouse (this includes polygynous and polyandrous families) |
| patrilocal | require a woman to live in her husband's home after marriage |
| extended (consangiuneal) family | 2 or more lineally linked kinfolk of the same sex and their spouses and offspring, living together under a single household head |
| patrilineal extended family | organized around a man, his sons, and his sons' wives and children |
| matrilineal extended family | oganized around a woman, her daughters, and her daughers' husbands and children |
| matrilocal | a man lives in the household of his wife |
| avunculocal | marrried couple lives with the husband's mother's brother |
| taravad | household group of Nayars in southern India - consists of brothers and sisters, a woman's daughters and granddaughters, and their children (matrilineal) |
| bilocal | couple has the choice of living with either the wife or husband's family |