From Longman Dictionary of Contemporary Englishweanwean /wiːn/ verb [transitive] MBHBto gradually stop feeding a baby or young animal on its mother’s milk and start giving it ordinary foodwean somebody onto something It’s time to start weaning her onto solid foods. → wean somebody off/from something → be weaned on something→ See Verb table
Examples from the Corpus
wean• Some infants are weaned at six months.• The vote came on an amendment to a sweeping farm bill aimed at weaning farmers from federal subsidies.• The doctor never told me to wean him off the drug-to watch out for depression, anything.• Therefore puppies housed after weaning in insanitary surroundings are at greatest risk from this vice.• I remember thinking that, and may have made a significant advance toward weaning myself away from childish ways and thoughts.• That is, users are given smaller and smaller daily amounts of the drug until they are presumably weaned off opioids altogether.• You may have to use live Guppies and Goldfish before weaning on to dead foods.• When she weans them on to meat she usually feeds them from the kill before she herself eats.Origin wean Old English wenian 