from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A deep, narrow furrow or groove, as in an organ or tissue.
- n. Any of the narrow fissures separating adjacent convolutions of the brain.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a furrow or groove in an organ or a tissue
- n. any of the grooves that mark the convolutions of the surface of the brain
- n. subparallel grooves and ditches formed by geological processes
from the GNU version of the Collaborative International Dictionary of English
- n. A furrow; a groove; a fissure.
from The Century Dictionary and Cyclopedia
- n. A furrow or groove; a more or less linear or narrow and shallow depression; specifically, in anatomy, a fissure between two gyri or convolutions of the surface of the brain: used with English or Latin context. See phrases under fissure, and cuts under brain, cerebral, and gyrus.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain
Latin.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin (Wiktionary)