D defs.my
Entry 2 senses Webster, 1913

Sisterhood

/sĭs'-tẽrh-o͝od/ · Sis·ter·hood · IPA /ˈsɪstɚˌhʊd/
01 n. The state or relation of being a sister; the office or duty of a sister.
  1. 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. 2.
    A society of sisters; a society of women united in one faith or order; sisters, collectively.
    “The fair young flowers . . . a beauteous sisterhood.” Bryant.