If your garden is overflowing, be a good neighbor and 'spread the wealth'. [=give some of what is growing in your garden to neighbors]
He's known as a comic actor, but he's 'spreading his wings' and trying a serious role in his new movie.
The plant will 'spread'. [=the plant will produce more plants in the area around it]
(..) They aren't letting what Jeff says get printed in the state. If I give you a raft of it now over the phone, - - can you print it up and spread a billion copies of it? Swell! Get ready to take it down, Mrs. Smith. Everything about Jeff. Get pencils and paper, quick! Here we go. (..)1939 Mr. Smith Goes to Washington