The term "CR" has multiple meanings depending on the context. Here are some of the most common meanings:

• Conditioned Reflex: In psychology, CR stands for "conditioned reflex" or "conditioned response".
• Creatinine: In medicine, CR is an abbreviation for "creatinine," which is a chemical waste product in the blood that is used to measure how well the kidneys are working.
• Crore: In the Hindu-Arabic numeral system, CR represents the number 10,000,000.
• Continuing Resolution: In politics, CR stands for "continuing resolution," which is a temporary spending bill that allows federal government operations to continue when final appropriations have not been approved by Congress and the President.
• Credit: In accounting, CR is a notation for "credit," which is a term used to mean "what is owed".

Its important to note that the meaning of "CR" can vary depending on the field or industry.