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the two helio-propellers linked on either side of a modern zeppelin (air ship) performing the function of propelling the zeppelin in the desired direction.
"Yes, mommy, I see!," the little boy squealed with glee. "The tug-copters are to zeppelins like the tug-boats are to barges!"
by mrsbenfolds December 01, 2008

Words related to tug-copter

copter helicopter jet propeller zeppelin