To sound a rhythm on a percussion instrument such as a drum.(verb)
To extinguish(verb)
To win by a narrow margin.(verb)
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Use "beat out" in a sentence
"The hell had been beat out of Guffey; having a go at that little fella was like punching out a mop."
"Pittsburgh-based PNC, which beat out rival regional bank BB&T Corp. for the RBC operations, will also purchase $165 million worth of credit-card loans."
"Gratiolet34 gives the case of a man, who by continually watching and counting his own pulse, at last caused one beat out of every six to intermit."