The Collaborative International Dictionary
Poppy \Pop"py\, n.; pl. Poppies. [OE. popy, AS. popig, L. papaver.] (Bot.) Any plant or species of the genus Papaver, herbs with showy polypetalous flowers and a milky juice. From one species ( Papaver somniferum) opium is obtained, though all the species contain it to some extent; also, a flower of the plant. See Illust. of Capsule.
California poppy (Bot.), any yellow-flowered plant of the genus Eschscholtzia.
Corn poppy. See under Corn.
Horn poppy, or Horned poppy. See under Horn.
Poppy bee (Zo["o]l.), a leaf-cutting bee ( Anthocopa papaveris) which uses pieces cut from poppy petals for the lining of its cells; -- called also upholsterer bee.
Prickly poppy (Bot.), Argemone Mexicana, a yellow-flowered plant of the Poppy family, but as prickly as a thistle.
Poppy seed, the seed the opium poppy ( Papaver somniferum).
Spatling poppy (Bot.), a species of Silene ( Silene inflata). See Catchfly.
Wiktionary
n. (alternative spelling of poppyseed English)
WordNet
n. small gray seed of a poppy flower; used whole or ground in baked items
Wikipedia
Poppy seed is an oilseed obtained from the opium poppy (Papaver somniferum). The tiny kidney-shaped seeds have been harvested from dried seed pods by various civilizations for thousands of years. The seeds are used, whole or ground, as an ingredient in many foods, and they are pressed to yield poppyseed oil.
Usage examples of "poppy seed".
Normal delivery would be alexanders, mustard seed, poppy seed, small quantities of long pepper, and Greek herbs (rosemary, thyme, cicely, catmint, wild savory).
On saucers she placed oranges, boiled rice, little cakes with caraway, and brown candies with poppy seed.
They spread the little table at twice its ordinary length, set more oak leaves about the dishes (perhaps some captured from the window ledges or searched out of the yard: no oaks grew on the height of the Guelesfort), and brought in a fair supply of festive braided bread thickly topped with poppy seed, intricate constructions which he found almost too delightful to eat.
A slice of provolone and plenty of mustard -- poppy seed roll, pasta salad on the side, and a cup of that wicked coffee.