A "propeller aircraft" refers to an airplane powered by a propeller, which is a spinning device that creates a forward force by moving through the air. Full definition
In Styria, hail pilots fly small propeller aircraft into menacing thunderclouds, in order to manipulate the weather. (tubitv.com)
If the aviation industry was similarly «advanced», we would still be flying propeller aircraft. (newscientist.com)
Inching closer to this goal is an upgraded version of the MQ - 9 Reaper, a single - propeller aircraft typically armed with several guided missiles and bombs. (discovermagazine.com)