from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various climbing, tendril-bearing, chiefly tropical American vines of the genus Passiflora, having large showy flowers with a fringelike crown and a conspicuous stalk that bears the stamens and pistil.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. any of very many North American vines, of the family Passifloraceae, that bear edible fruit, called passion fruit.
- n. the flower of this plant
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any of various chiefly tropical American vines some bearing edible fruit
From the resemblance of its parts to the instruments of the Passion.(American Heritage® Dictionary of the English Language, Fourth Edition)
passion + flower; from the number of its various parts, thought to be symbolic of Christ's passion (Wiktionary)