plural of cister

(LGBT, neologism) A (fellow) cisgender woman; a female sibling (chiefly figuratively) who was assigned female at birth; a cisgender sister.

A region in the brain posterior to the medulla oblongata, below the cerebellum; cerebrospinal fluid enters from the fourth ventricle.

cisterna magna

A reservoir or tank for holding water, especially for catching and holding rainwater for later use. / In a flush toilet, the container in which the water used for flushing is held; a toilet tank.

(biology) Any of the various membranes sections comprising some organelles like the Golgi apparatus and the endoplasmic reticulum.

plural of cistern

A member of a monastic order which follows the Benedictine rule and emphasizes silent contemplative prayer.

Of, pertaining to or characteristic of the Cistercian Order and its members.

plural of Cistercian