fence (Noun) — A barrier that serves to enclose an area.
fence (Noun) — A dealer in stolen property.
fence (Verb) — Enclose with a fence. ex. "we fenced in our yard"
fence (Verb) — Receive stolen goods.
fence (Verb) — Fight with fencing swords.
fence (Verb) — Surround with a wall in order to fortify.
fence (Verb) — Have an argument about something.