1
: a rotating or sliding piece (such as an eccentric wheel or a cylinder with an irregular shape) in a mechanical linkage used especially in transforming rotary motion into linear motion or vice versa
2
: camshaft
an engine with a single overhead cam
: camera
especially
: video camera
1
computer-aided manufacturing
2
complementary and alternative medicine
Examples of cam in a Sentence
Recent Examples on the Web
Jack Beresford, MSNBC Newsweek, 6 July 2025
The police officer, the body cam footage showed, was totally justified.
—Erin Glynn, The Enquirer, 2 July 2025
The officers responded to the Rozario home after the teen, who was experiencing a mental health episode, called them for assistance, body cam footage and police officials have confirmed.
—Chris Sommerfeldt, New York Daily News, 25 June 2025
Cameras still aren’t part of the Matter spec, as mentioned, so the Tapo cams only work with Alexa, Google Home, and SmartThings for now, but that’s true of everyone else, too.
—Paul Lamkin, Forbes.com, 24 June 2025
See All Example Sentences for cam
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Noun
Kelsey Pfleiderer, from Jupiter Beach, Florida, took to Instagram to share baby cam footage of her son James in his cot during what was supposed to be his naptime.
—Jack Beresford, MSNBC Newsweek, 6 July 2025
The police officer, the body cam footage showed, was totally justified.
—Erin Glynn, The Enquirer, 2 July 2025
The officers responded to the Rozario home after the teen, who was experiencing a mental health episode, called them for assistance, body cam footage and police officials have confirmed.
—Chris Sommerfeldt, New York Daily News, 25 June 2025
Cameras still aren’t part of the Matter spec, as mentioned, so the Tapo cams only work with Alexa, Google Home, and SmartThings for now, but that’s true of everyone else, too.
—Paul Lamkin, Forbes.com, 24 June 2025
See All Example Sentences for cam
Cite this Entry
“Cam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cam. Accessed 13 Jul. 2025.
Copy CitationKids Definition
cam
1 of 2 noun
: a device by which circular motion may be transformed into stop-and-start or back-and-forth motion
cam
2 of 2 nounEtymology
Noun
perhaps from French came "cam," from German Kamm, literally, "comb"
Medical Definition
CAM
abbreviation2
complementary and alternative medicine
According to a 2002 survey by the National Center for Health Statistics, 36 percent of adults in the United States used some form of complementary and alternative medicine (CAM), including naturopathy, relaxation techniques, chiropractic, yoga, massage, and diets.—In-Sung Yoo, The News Journal (Wilmington, Delaware)
In-Sung Yoo, The News Journal (Wilmington, Delaware)Geographical Definition
Cam
geographical name
river 40 miles (64 kilometers) long in Cambridgeshire, east central England, flowing into the Ouse River
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