干妈 Traditional form: 乾媽 Pinyin (reading): gānmā Definitions: adoptive mother (traditional adoption, i.e. without legal ramifications) Characters: 干 - arid, dry; to oppose; to offend; to invade 妈 - mother, mama Traditional characters: 乾 - arid, dry; to fertilize; to penetrate; heavenly generative principle (male) 媽 - mother, mama