glass arm

noun

Definition of glass arm

: an arm the muscles of which too easily become stiff and sore in use he's a good fielder but he's got a glass arm

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Cite this Entry

“Glass arm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glass%20arm. Accessed 6 Aug. 2020.

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