The Nursing Madonna, Virgo Lactans, or Madonna Lactans, is an iconography of the Madonna and Child in which the Virgin Mary is shown breastfeeding the infant Jesus. In Italian it is called the Madonna del Latte ("Madonna of milk"). It was a common type in painting until the change in atmosphere after the Council of Trent, in which it was rather discouraged by the church, at least in public contexts, on grounds of propriety. —Wikipedia: Nursing Madonna
Virgen de la Leche o de la Buena Leche, también conocida como Virgen nutricia o nodriza, Virgen del Reposo o del Buen Reposo, Virgen de Belén o de la gruta de Belén; es una advocación y una iconografía de la Virgen María, en la que se la representa en el acto de amamantar al Niño Jesús. Esta representación ha tenido diversos desarrollos en el arte sacro, como lo es la pintura, la escultura y la particular iconografía de la Iglesia Ortodoxa. —Wikipedia: Virgen de la Leche
Virgin of Milk or Good Milk, also known as nourishing or nurturing Virgin, Virgin of Rest or Good Rest, Virgin of Bethlehem or of the cave of Bethlehem; is an invocation and an iconography of the Virgin Mary, in which she is represented in the act of breastfeeding the Child Jesus. This representation has had various developments in sacred art, such as painting, sculpture and the particular iconography of the Orthodox Church. — Translation, Apple iOS
In Eastern Orthodox depictions of the Madonna and Child in iconography, the infant is often portrayed as an adult, as this ice form might appear to be.