Definitions of Jenny:

• noun:   United States architect who designed the first skyscraper in which a metal skeleton was used (1832-1907)
• noun:   female donkey
• name:  A female given name (common: 1 in 1470 females; popularity rank in the U.S.: #282)
• name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #18164)