sis‧ter‧hood /ˈsɪstəhʊd $ -ər-/ noun

1. [uncountable] a special loyal relationship among women who share the same ideas and aims, especially among feminists:
the special bond of sisterhood that joins women together

2. [countable] a group of women who live a religious life together ⇒ brotherhood:
the Christian sisterhood

[TahlilGaran] Dictionary of Contemporary English ▲