|anatomy any of the three looped fluid-filled membranous tubes, at right angles to one another, that comprise the labyrinth of the ear: concerned with the sense of orientation and equilibrium|
|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
|an extraordinary or unusual thing, person, or event; an exceptional example or instance.|
|semicircular canal (sěm'ĭ-sûr'kyə-lər) Pronunciation Key
Any of the three looped tubes of the inner ear that together with the vestibules makes up the organs that maintain equilibrium in vertebrates.