Longman Dictionary of Contemporary English - wean

~ v to gradually stop feeding a baby or young animal on its mother's milk and start giving it ordinary food  (Some infants are weaned at six months.) wean sb off sth phr v to make someone gradually stop doing something you disapprove of  (I'm still trying to wean my daughter off sugary snacks.) wean sb on sth phr v to be influenced by something from a very early age.  (Like many of his generation, he was weaned on the bible.)