Definition of Key lime in US English:

Key lime


  • A small yellowish lime with a sharp flavor.

    • ‘It's the color produced by mixing the juice of Key limes with egg yolks, sweetened condensed milk and grated lime peel, then frothing and cooling the whole concoction.’
    • ‘My future sis-in-law gave me a huge bag of Key limes over the weekend.’
    • ‘If you can't find Key limes in your local grocery store, Key lime juice is readily available on the Internet.’
    • ‘Enrobed in fine chocolate are fillings infused with Tahitian vanilla bean, Key limes, lavender buds, Australian candied ginger, and more.’
    • ‘This is a very famous recipe from Florida, where a certain special variety of limes called Key limes are used.’
    • ‘Outside Florida, Key limes can be hard to come by, except in specialty produce markets when the fruit is in season, from May through August.’
    • ‘I prefer Key limes to Persian limes, but in the Greater Washington area they are often hard to find.’
    • ‘How is it that you always made pies for the cousins, even if they visited when Key limes were out of season?’
    • ‘If you have no access to Key limes for some of these recipes, try substituting half lime juice and half lemon juice for the required amount of Key lime juice.’
    • ‘Any Key lime pie you've had that's green is either not from real Key limes, or it's been colored with green food coloring.’
    • ‘Supermarkets sell mostly Persian limes, which lack the unique and potent aroma of genuine Key limes.’
    • ‘The peak season for Key limes is June through August, so you can find this special fruit in your market now and use this delicious and easy pie recipe.’


Named after the Florida Keys.