|—n , pl -ties|
|1.||speed of motion, action, or operation; rapidity; swiftness|
|2.||physics u, v, w a measure of the rate of motion of a body expressed as the rate of change of its position in a particular direction with time. It is measured in metres per second, miles per hour, etc|
|3.||physics (not in technical usage) another word for speed|
|[C16: from Latin vēlōcitās, from vēlōx swift; related to volāre to fly]|
velocity ve·loc·i·ty (və-lŏs'ĭ-tē)
Rapidity or speed of motion; specifically, the distance traveled per unit time.
The vector giving the speed and direction of motion of any object.