- (n.) Quickness of motion; swiftness; speed; celerity; rapidity; as, the velocity of wind; the velocity of a planet or comet in its orbit or course; the velocity of a cannon ball; the velocity of light.
- (n.) Rate of motion; the relation of motion to time, measured by the number of units of space passed over by a moving body or point in a unit of time, usually the number of feet passed over in a second. See the Note under Speed.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). velocity. Retrieved September 22, 2026, from http://smartdefine.org/velocity/definitions/2079013 |
| Chicago | Webster's. 2011. "velocity" http://smartdefine.org/velocity/definitions/2079013 (accessed September 22, 2026). |
| Harvard | Webster's 2011, velocity, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/velocity/definitions/2079013>. |
| MLA | Webster's. "velocity" 28 May 2011. Web. 22 September 2026. <http://smartdefine.org/velocity/definitions/2079013> |