梗阻 Traditional form: 梗阻 Pinyin (reading): gěngzǔ Definitions: to obstruct; to hamper (medicine) obstruction Characters: 梗 - stem, branch; to hinder, to block 阻 - to hinder, to impede; to obstruct, to oppose Traditional characters: 梗 - stem, branch; to hinder, to block 阻 - to hinder, to impede; to obstruct, to oppose