|a gadget; dingus; thingumbob.|
|a chattering or flighty, light-headed person.|
|1.||a person who trains athletes in a sport|
|2.||a piece of equipment employed in training, such as a simulated aircraft cockpit|
|3.||horse racing a person who schools racehorses and prepares them for racing|
|4.||(plural) an informal name for training shoes|
in military aviation, an airplane that is designed and used to train pilots to operate advanced aircraft effectively. The complicated modern military airplane requires a high degree of skill on the part of pilots. Military training programs commonly make use of a single-engine aircraft for primary training phases, with twin-jet trainers for transition stages
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