Webster's Revised Unabridged Dictionary · 1913

Sisterhood

Sisterhood , noun

[Sister + hood.]

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. — Shakespeare
The fair young flowers... a beauteous sisterhood. — Bryant