Noun: semicircular canal ,se-mi'surk-yu-lu(r) ku'nal
- One of three tube loops filled with fluid and in planes nearly at right angles with one another; concerned with equilibrium
"The semicircular canals detect rotational movements of the head"
Derived forms: semicircular canals
Type of: receptor, sense organ, sensory receptor
Part of: inner ear, internal ear, labyrinth, vestibular apparatus, vestibular system
Encyclopedia: Semicircular canal