Simple past tense and past participle of carol.(verb)
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Use "carolled" in a sentence
"Then she carolled various pieces to rare measures, and amongst the rest one of mine, which consisted of this distich,"
"Said he, “Sing what thou wilt;” so she played a merry measure and carolled these couplets,"
"DVD on * tape*? someone else carolled, to everyone's vast amusement, and it immediately degenerated into the idea of writing books with director's commentary and whatnot; one page would be the story, the other would be the commentary."