Ellipticise : noun/verb : [ih-lip-ti-sahyz]
Definition: The act of exercising on an elliptical machine; exercising on an elliptical machine.
This is one of those words that you can just look at and say "I wonder why that isn't a real word." But alas, it is made up. I actually got it from my sister, who fits ellipticise on her schedule of regular excerise. And so she's off to the gym to ellipticise while I blog the word.