give suck to; "The wetnurse suckled the infant"; "You cannot nurse your baby in public in some places"
When a mother suckles her baby, she feeds it by letting it suck milk from her breast. A young woman suckling a baby is one of life's most natural and delightful scenes. = breastfeed
a young human or animal still taking milk from its mother (suck). In mammals, the drawing of milk into the mouth from the nipple of a mammary gland. In human beings, it is referred to as nursing or breast-feeding. The word also denotes an animal that has not yet been weaned that is, whose access to milk has not yet been withdrawn, a process that gradually accustoms the young to accept an adult diet
[ 's&-k&l ] (verb.) 14th century. First attested 1408, perhaps a causative form of Middle English suken (“to suck”), or a back-formation from suckling (though this word is attested only from c. 1440).