Definition: The word 'phone number usaa insurance company' appears to be a misspelling, possibly due to a typo or an oversight in the spelling of the word. If it's correct, then it would be "Phone Number Usaa Insurance Company." This phrase seems like a common abbreviation for USAA (United States Auto Insurance Association) and refers to an insurance company that provides auto insurance services. In the context of insurance policies, phone numbers are used by insurers to identify the specific provider or service they provide. For example, if you call your insurer about a claim, they might have a different number than your bank account number for secure purposes. If it's important to know more specifically what an 'usaa' stands for, please provide additional context so I can assist better!