myonymy
/maɪˈɒnɪmi/
Etymology
From myo- + -onymy.
noun
- Nomenclature of the muscles.“Chaussier's idea that the name of each muscle, for example, should accurately indicate all its relations, led him to frame a myonymy which is not only inapplicable to the same parts in many animals, but so ponderous as to be useless ;”