Sisterhood

Part of speech: noun (n.)

1. The state or relation of being a sister; the office or duty of a sister. She . . . abhorr'd Her proper blood, and left to do the part Of sisterhood, to do that of a wife. Daniel.

2. A society of sisters; a society of women united in one faith or order; sisters, collectively. "A sisterhood of holy nuns." Shak. The fair young flowers . . . a beauteous sisterhood. Bryant.