Maypop \May"pop\, n. [Perh. corrupt. fr. maracock.] (Bot.) The edible fruit of a passion flower, especially that of the North American {Passiflora incarnata}, an oval yellowish berry as large as a small apple.
Passiflora incarnata n : of southern United States; having an insipid berry the size of a hen egg [syn: {maypop}]