Origin of stapes
New Latin staped-, stapes, from Medieval Latin, stirrup, alteration of Late Latin stapia
First Known Use: 1615
Medical Definition of stapes
plural stapes or sta·pe·des \stə-ˈpē-ˌdēz\play
: the innermost of the chain of three ossicles in the middle ear of a mammal having the form of a stirrup, a base occupying the oval window of the tympanum, and a head connected with the incus—called also stirrup
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