跪乳 Traditional form: 跪乳 Pinyin (reading): guìrǔ Definitions: (literary) (of a lamb) to kneel to suckle at the breast (used as a metaphor for filial piety) Characters: 跪 - to kneel 乳 - breast, nipples; milk; to suckle Traditional characters: 跪 - to kneel 乳 - breast, nipples; milk; to suckle