floating rib

noun

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

First Known Use of floating rib

1831

in the meaning defined above

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Medical Dictionary

floating rib

noun

medical Definition of floating rib

: any rib in the last two pairs of human ribs that have no attachment to the sternum — compare false rib

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