Wean (verb) – to cause a baby or young animal to stop feeding on its mother's milk and to start eating solid food
She was no longer teeny-weeny (wean), so it was time to get the baby to start eating solid food.
Examples of wean (verb) in a sentence
She was ecstatic to finally have her son fully weaned off baby formulae.
They couldn't agree on what approach to take when they start to wean their daughter.
He was having trouble weaning the cub as it didn't seem interested in solid foods.