What does the abbreviation CM stand for? Meaning: centimeter. A centimetre (the American spelling is centimeter, symbol cm) is a unit of length in the International System of Units (SI) measurement system. It is equal to one hundredth of a metre. Definition: A centimeter (symbol: cm) is a unit of length in the International System of Units (SI), the current form of the metric system. It is defined as 1/100 meters. Convert centimeters to feet (cm to ft) and feet-inches format instantly. Accurate conversion formula, decimal precision, calculation steps, and benchmark charts. Convert centimeters to feet and inches (cm to ft) for height, length or distance measurements. A centimetre (International spelling) or centimeter (American English), with SI symbol cm, is a unit of length in the International System of Units (SI) equal to one hundredth of a metre, centi- being the SI prefix for a factor of 1 100. [1] Definition: A centimeter (symbol: cm) is a unit of length in the International System of Units (SI), the current form of the metric system. It is defined as 1/100 meters. Behind every customer moment is a conversation that just works. CM.com connects messaging, marketing, service and payments on one shared context. Cm is a measure of length. Get more information and details on the 'cm' measurement unit, including its symbol, category, and common conversions from cm to other length units.cm is the country code top-level domain (ccTLD) for the Republic of Cameroon. In August 2006, it was reported that the.cm registry had set up a wildcard DNS record, so that all unregistered domains in this top-level domain go to a parking page with paid search links.