breastmilk in English dictionary breastmilk Meanings and definitions of "breastmilk" Alternative spelling of breast milk. noun Alternative spelling of [i]breast milk[/i] more Grammar and declension of breastmilk breastmilk ( uncountable) breastmilk (uncountable) more Sample sentences with "breastmilk" Declension Stem Try again Available translations Cornish French Spanish Swedish Authors