姨姥姥 Traditional form: 姨姥姥 Pinyin (reading): yílǎolao Definitions: mother's mother's sister great-aunt Characters: 姨 - aunt, mother's sister 姥 - maternal grandmother; midwife 姥 - maternal grandmother; midwife Traditional characters: 姨 - aunt, mother's sister 姥 - maternal grandmother; midwife 姥 - maternal grandmother; midwife