We found 2 dictionaries that define the word kinship groups:

General (2 matching dictionaries)

1. kinship groups: Vocabulary.com
2. kinship groups: TheFreeDictionary.com

(Note: See kinship_group as well.)

Definitions from WordNet (kinship group) ▸ noun:  group of people related by blood or marriage ▸ Also see kinship_group ▸ Words similar to kinship groups ▸ Usage examples for kinship groups ▸ Idioms related to kinship groups ▸ Wikipedia articles (New!) ▸ Words that often appear near kinship groups ▸ Rhymes of kinship groups ▸ Invented words related to kinship groups