The seed of the poppy, used as a flavouring in bread(noun)
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Use "poppyseed" in a sentence
"In my entire memory I can recall eating there once, a pre-packaged lemon poppyseed muffin the size of my head, and to me it was the best thing in the world."
"I also made a version of it with lemon-poppyseed batter and strawberries, which I will share with you today!!"
"Love the lemon poppyseed cake ... and the nutrition facts look pretty good, too!"