Etymology
Advertisement

fornix (n.)

from 1680s in reference to various arched formations (especially in anatomy), from Latin fornix "arch, vaulted chamber, cellar, vaulted opening," probably an extension, based on appearance, from a source akin to fornus "brick oven of arched or domed shape" (from PIE root *gwher- "to heat, warm").

Others are reading

Advertisement
Advertisement
Definitions of fornix

fornix (n.)
generally any arch shaped structure (but often it refers to the arched roof of an anatomical space);
fornix (n.)
an arched bundle of white fibers at the base of the brain by which the hippocampus of each hemisphere projects to the contralateral hippocampus and to the thalamus and mamillary bodies;
Synonyms: trigonum cerebrale
From wordnet.princeton.edu