Septet in a Christmas carol

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In a Christmas carol, the term “Septet” refers to a group of seven things. Now, when it comes to Christmas carols, there are a few that mention sevens. The most well-known is probably “The Twelve Days of Christmas“. This song has a variety of gifts given on each of the twelve days, and on the seventh day, the gift given is “Seven Swans a-swimming“.

So, as you can see, the answer to the crossword clue “Septet in a Christmas carol” is SWANS. The image being presented is that of seven beautiful swans gracefully swimming. It’s a lovely image that fits well with the song’s overall theme of generosity during the holiday season.

I hope that explanation helps! Let me know if you need any more assistance.