driver

American  

[drahy-ver] / ˈdraɪ vər /

noun

1. a person or thing that drives.

2. a person who drives a vehicle; coachman, chauffeur, etc.

3. a person who drives an animal or animals, as a drover or cowboy.

4. Also called number one wood.  Golf. a club with a wooden head whose face has almost no slope, for hitting long, low drives from the tee.

5. Machinery.

   1. a part that transmits force or motion.

   2. the member of a pair of connected pulleys, gears, etc., that is nearer to the power source.

6. Computers. software or hardware that controls the interface between a computer and a peripheral device.

7. Railroads. driving wheel.

8. British. a locomotive engineer.

9. Audio.

   1. the part of a loudspeaker that transforms the electrical signal into sound.

   2. the entire loudspeaker.

10. Nautical.

    1. a jib-headed spanker sail.

    2. a designation given to one of the masts abaft the mizzen on a sailing vessel having more than three masts, either the fifth or sixth from forward.

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driver British  

/ ˈdraɪvə /

noun

1. a person who drives a vehicle

2. in a position of control

3. a person who drives animals

4. a mechanical component that exerts a force on another to produce motion

5. golf a club, a No. 1 wood, with a large head and deep face for tee shots

6. electronics a circuit whose output provides the input of another circuit

7. computing a computer program that controls a device

8. something that creates and fuels activity, or gives force or impetus

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driver Idioms  

1. see backseat driver; in the driver's seat.

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Other Word Forms

• driverless adjective
• nondriver noun

Etymology

Origin of driver

First recorded in 1350–1400, driver is from the Middle English word drivere. See drive, -er ¹

Example Sentences

But by focusing on these narratives, investors might be missing a significant driver in the marketplace, according to Ben Kizemchuk, a portfolio manager and senior investment advisor at Wellington-Altus.

From MarketWatch

First, he pointed to deleveraging that often takes place in an asset in which investors have ample profits, irrespective of its fundamental drivers.

From MarketWatch

He added "one of the biggest drivers of that" was the war in Iran.

From BBC

For the rest of the market, swings in oil prices related to Iran continued to be the main driver.

From Barron's

Russell pipped Antonelli, who took his maiden win at the last race in China, by just 0.026 seconds after the two drivers swapped fastest times in the middle of the session.

From BBC

Related Words

• chauffeur
• jockey
• motorist
• operator
• trainer