Key lime pie
noun /ˌkiː laɪm ˈpaɪ/
/ˌkiː laɪm ˈpaɪ/
[countable, uncountable]- a light US pie made with the juice and skin of limes (= green fruit like lemons). It also contains sugar, beaten egg whites and sweet condensed milk (= thick sweet milk) . The pie was first made in Key West, Florida.