From Longman Dictionary of Contemporary Englishlactatelac‧tate /lækˈteɪt $ ˈlækteɪt/ verb [intransitive] HBif a woman or female animal lactates, she produces milk to feed her baby or babies with→ See Verb table
Examples from the Corpus
lactate• Carrington's Self-Portrait of 1938-9 shows the artist seated in a room with a lactating hyena and a rocking horse.Origin lactate (1800-1900) Latin past participle of lactare, from lac; LACTIC 