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1.
Abbreviation of the cockney rhyming slang for flowers (eiffel towers).

"Cor blimey guvna, roll up roll up and get a lovely bunch of eiffels for your trouble!"
by Jo M March 29, 2006
 
2.
Object-oriented programming language thaught in the "Introduction to Programming"-Course at the Federal Institute of Technology in Zurich, Switzerland.

Eiffel is a really simple and clean way to learn the concept of object-oriented software construction. It's for true software engineers and not meant for hobby geeks programming their 0815-Undress-a-Bunny things. Check it out on eiffel.com!
"Eiffel is THE pure O-O programming language!"
by sheila_c April 02, 2006