Definition of otolith
: a calcareous concretion in the inner ear of a vertebrate or in the otocyst of an invertebrate
otolithicplay \ˌō-tə-ˈli-thik\ adjective
Recent Examples of otolith from the Web
Determining a bony fish's age can be easily done by analyzing their otoliths, or ear stones.
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Origin and Etymology of otolith
French otolithe, from ot- + -lithe -lith
First Known Use: circa 1836See Words from the same year
Medical Definition of otolith
: a calcareous concretion in the inner ear of a vertebrate or in the otocyst of an invertebrate that is especially conspicuous in many bony fishes where it forms a hard body and in most of the higher vertebrates where it is represented by a mass of small calcareous otoconia—called also statolith
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Britannica.com: Encyclopedia article about otolith
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