n a long narrow depression in a surfacen a long narrow openingn (anatomy) a long narrow slit or groove that divides an organ into lobesv break into fissures or fine cracks
n. 狭长裂缝或裂隙( fissure的名词复数 ); 裂伤; 分歧; 分裂v. 裂开( fissure的第三人称单数 )