| NOUN | animal | air bladder, swim bladder, float | an air-filled sac near the spinal column in many fishes that helps maintain buoyancy |
|---|
| Meaning | An air-filled sac near the spinal column in many fishes that helps maintain buoyancy. | |
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| Synonyms | swim bladder, float | |
| Broader | sac | A structure resembling a bag in an animal |
| Spanish | vejiga natatoria | |
| Catalan | bufeta natatòria | |
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