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• cam
  cam

  noun

  a disk or cylinder having an irregular form such that its motion, usually rotary, gives to a part or parts in contact with it a specific rocking or reciprocating motion.
• Cam
  Cam

  noun

  a river in E England flowing NE by Cambridge, into the Ouse River. 40 miles (64 km) long.
• CAM
  CAM

  noun

  computer-aided manufacturing.
• Cam.
  Cam.

  abbreviation

  Cambridge.
• -cam
  -cam

  combining form

  camera

cam

¹ American  

[kam] / kæm /

noun

1. Machinery. a disk or cylinder having an irregular form such that its motion, usually rotary, gives to a part or parts in contact with it a specific rocking or reciprocating motion.

2. Automotive Slang. camshaft.

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verb (used with object)

cammed, camming

1. to provide (a machine part or mechanism) with a cam or cams.

cam ² American  

[kam] / kæm /

noun

1. a camera, especially one that records video (often used in combination, as in ).

   She's a professional photographer who uses state-of-the-art cams.

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Cam ³ American  

[kam] / kæm /

noun

1. a river in E England flowing NE by Cambridge, into the Ouse River. 40 miles (64 km) long.

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CAM ⁴ American  

[kam] / kæm /

noun

1. computer-aided manufacturing.

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Cam. ⁵ American  

abbreviation

1. Cambridge.

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CAM ¹ British  

abbreviation

1. complementary and alternative medicine

2. computer-aided manufacture

3. botany crassulacean acid metabolism: a form of photosynthesis, first described in crassulaceous plants, in which carbon dioxide is taken up only at night

4. Cameroon (international car registration)

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-cam ² British  

combining form

1. camera

   webcam

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Cam ³ British  

/ kæm /

noun

1. a river in E England, in Cambridgeshire, flowing through Cambridge to the River Ouse. Length: about 64 km (40 miles)

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cam ⁴ British  

/ kæm /

noun

1. a slider or roller attached to a rotating shaft to give a particular type of reciprocating motion to a part in contact with its profile

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Etymology

Origin of cam¹

< Dutch or Low German kam, kamm. See comb

Origin of cam²

First recorded in 1975–80; shortening of camera ¹ ( def. )

Origin of CAM⁴

First recorded in 1965–70

Example Sentences

The Big Cat Sanctuary managing director Cam Whitnall said the development represented "a huge milestone not only for our sanctuary, but for the future conservation of the Rusty-spotted cat globally".

From BBC • Jun. 4, 2026

It’s all about making things more Cam Ward friendly.

From Los Angeles Times • Apr. 20, 2026

Life with LIV appears to have stalled the career momentum of talented stars like Rahm and Cam Smith.

From The Wall Street Journal • Apr. 17, 2026

Murray scored 20 points, Bruce Brown had 19, and Cam Johnson and Julian Strawther added 18 each.

From Los Angeles Times • Feb. 20, 2026

Not only was it on the Cam with a perfect garden but, as I was to learn later, it was especially considerate toward Americans.

From "Double Helix" by James D. Watson