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
Steve Cohen, New York Daily News, 13 July 2025
Live traffic cams from the DRBA showed no major traffic as of 9 a.m.
Melina Khan is a national trending reporter for USA TODAY.
—Melina Khan, USA Today, 12 July 2025
The latest also comes after the city of Homewood filed a petition asking a judge to dismiss a motion from Peoples’ family asking for the city to release incident reports and evidence — including police body cam video, according to WBRC-TV and AL.com.
—Kimberlee Speakman, People.com, 12 July 2025
Lyons caught this on the baby cam with the resulting clip sparking delight on TikTok, where it has already been watched over 1.9 million times.
—Jack Beresford, MSNBC Newsweek, 9 July 2025
See All Example Sentences for cam
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Noun
Tisch made her first difference in the NYPD by getting the department — sometimes kicking and screaming — to utilize smart phones, computers-in-patrol-cars, and body cams.
—Steve Cohen, New York Daily News, 13 July 2025
Live traffic cams from the DRBA showed no major traffic as of 9 a.m.
Melina Khan is a national trending reporter for USA TODAY.
—Melina Khan, USA Today, 12 July 2025
The latest also comes after the city of Homewood filed a petition asking a judge to dismiss a motion from Peoples’ family asking for the city to release incident reports and evidence — including police body cam video, according to WBRC-TV and AL.com.
—Kimberlee Speakman, People.com, 12 July 2025
Lyons caught this on the baby cam with the resulting clip sparking delight on TikTok, where it has already been watched over 1.9 million times.
—Jack Beresford, MSNBC Newsweek, 9 July 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 21 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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