calissonEtymologyBorrowed from French calisson, from Occitan calissoun.calisson means A Provençal diamond-shaped confection made with ground almonds. Lexicurio rates it Sui generis — a strength score of 87 out of 100.nounA Provençal diamond-shaped confection made with ground almonds.“A crème brûlée into which had been blitzed those Provençal iced-marzipan biscuits called "calisson" was a crème brûlée adulterated.”