a spread made chiefly from vegetable oils and used as a substitute for butter
"After switching to margarine, I finally stopped worrying about eating too much saturated fat on my toast."
margin; edge; verge.
"She decided to swap her butter for some low-fat marge to cut down on calories."
margarine.
A short form of the female given name Margaret.
"My neighbor Marge invited me over for coffee on her porch."