Definition of poppyseed in English:
The tiny round seed of the poppy plant, used as a topping or in fillings for baked goods.
- The most popular kolac contains prune, ground nut, or crushed poppyseed fillings.
- She'd been baking lemon poppyseed muffins, one of Jacob's favorite foods, for the past hour.
- Eating food containing poppyseeds may result in a positive urine screening test for opiates, since poppyseeds contain naturally-occurring opiates.