Definition of floating rib
: a rib (such as one of either of the last two pairs in humans) that has no attachment to the sternum — compare false rib
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“Floating rib.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/floating%20rib. Accessed 28 May. 2022.
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Time Traveler for floating rib
The first known use of floating rib was in 1831
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