Definitions for "Fissure"
Keywords:  cleft, fracture, groove, crack, sulci
A narrow opening, made by the parting of any substance; a cleft; as, the fissure of a rock.
To cleave; to divide; to crack or fracture.
a groove, fold, or slit that may be normal or abnormal
Keywords:  canal, tear, split, verge, mucosal
an abnormal anal opening that can cause pain and bleeding.
a split in the anal mucosal surface
a split in the squamous epithelium at or just inside the anal verge
small area where the pottery has opened slightly in a small line during firing, normal caused by some minor stressing, commonly at the neck of a jar or the base. Not uncommon on earlier pieces but does detract a little from value.
Keywords:  dyke, see
Keywords:  star
Star fissure