PUSHBACK
Pushback
In aviation, pushback is an airport procedure during which an aircraft is pushed backwards away from an airport gate by external power. Pushbacks are carried out by special, low-profile vehicles called pushback tractors or tugs.The above text is a snippet from Wikipedia: Pushback
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push back
Noun
The above text is a snippet from Wiktionary: push back
and as such is available under the Creative Commons Attribution/Share-Alike License.