1. a. : to move with a loud low hum or buzz. b. : to go speedily : zip. cars zooming by on the highway. 2. of an airplane : to climb for a short time at an angle greater than that which can be maintained in steady flight so that the machine is carried upward at the expense of stored kinetic energy. 3. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.