Definition of "elderflower" [elderflower]

• The blossom of the elderberry, often specifically the European species Sambucus nigra (noun)

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• "A few days later, when I had joined her at her father's house, Jackie and I made a batch of the kind of elderflower cordial/syrup I recently used in a gooseberry relish (see here): equal volumes of water and sugar brought to the boil to form a simple syrup"
• "Visitors can also try croquet - a popular garden activity in bygone times - and they can even sample period refreshments such as elderflower cordial or fruit wine."
• "Inside, would be a floating island, made from meringue, cast in a pool of cold elderflower soup, topped with goat cheese ice cream and perhaps some caramelized walnut powder."