Antonyms of fence :
Examples of usage:
" That's what they do with a low fence then," Jed said. "Eight Keys to Eden", Mark Irvin Clifton.
When it got to the fence at last, it thought it was going to die. "Christmas Every Day and Other Stories", W. D. Howells.
We should fence about a little and then there it would be. "The Passionate Friends", Herbert George Wells.