dyno 
noun (plural dynos)
1 short for dynamometer.Initial tests on the dyno have produced 1,540 horsepower....
- ‘We've had the car in the wind tunnel and on the chassis dyno,’ Labbe says.
- Recently, I watched a guy test his '66 Chevelle on the chassis dyno.
2 Climbing A rapid move across a rock face in order to reach a hold.For those of you not familiar with the Elbsandsteingebirge, some routes require horizontal dynos....
- He solos unroped up a cliff, performing an unlikely series of dynos and crucifix-style deadman hangs.
verb (dynos, dynoing, dyno'd or dynoed)
1 [with object] Measure (the output of an engine) with a dynamometer.Teammate Jason Line then drove all night to the shop, dyno'd the engine, and returned it to Atlanta Dragway at 3 a.m. Sunday for the boss to use....
- In addition, we're going to dyno our engines, freshen our transmissions, and figure out a combination that will make us fast right out of the box.
- We take the engine apart and dyno it to check that it's close to where it was.
2 [no object] (In mountaineering) climb using dynos.Shifting my weight onto my leg even more I then dynoed about a foot higher to an extremely tiny hold that is made harder to latch because the opening in the crack is so incredibly narrow.