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Definition of semicircular canal noun from the Oxford Advanced Learner's Dictionary

semicircular canal

noun

/ˌsemiˌsɜːkjələ kəˈnæl/

/ˌsemiˌsɜːrkjələr kəˈnæl/,

/ˌsemaɪˌsɜːrkjələr kəˈnæl/

[usually plural] (anatomy)

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any of three semicircular tubes in the inner ear that are filled with liquid and are connected together. The semicircular canals are important for the body’s balance.

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