Definition of "popcorn" []

• A variety of corn, Zea mays everta, having hard kernels that burst to form white, irregularly shaped puffs when heated. (noun)
• The edible popped kernels of this variety of corn. (noun)
• A small piece, as of polystyrene, used in quantity to protect items during packaging and shipment. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "TEAM: The only area of foam loss that we saw that was not expected, and by expected we lose some what we call the popcorn foam in that inter tank region between the two tanks, the locks tank and the hydrogen tank."
• ""Some guys are what I call popcorn players," Saunders said."
• "This particular popcorn is Stuart Woods novels, thrillers."