Main entry: fissure
Definition: (anatomy) a long narrow slit or groove that divides an organ into lobes
Main entry: crack, crevice, scissure, cleft, fissure
Definition: a long narrow opening
Main entry: fissure, crack, cranny, crevice, chap
Definition: a long narrow depression in a surface
Main entry: fissure
Definition: break into fissures or fine cracks