Sis"ter*hood (?), n. [Sister + hood.]
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.
A society of sisters; a society of women united in one faith or order; sisters, collectively.
of holy nuns."
The fair young flowers . . . a beauteous sisterhood.
© Webster 1913.