zoom «zoom», verb, noun.
1. to move suddenly upward.
2. to fly suddenly upward in a nearly vertical ascent at great speed, in or as if in an airplane: »

The airplane zoomed.

3. to make a continuous, low-pitched humming or buzzing sound.
4. to move or travel with a humming or buzzing sound.
5. to move rapidly from one focus to another, as with a zoom lens.
to cause to move suddenly upward, especially to fly (an airplane) suddenly upward.
an act of zooming; sudden upward flight: »

The airplane made a zoom and left the mountain far below.

zoom´er, noun.

Useful english dictionary. 2012.