per·o·ne·al \|perə|nēəl\adjective Etymology: New Latin peroneus peroneal (from perone fibula, from Greek peronē pin, fibula) + English -al; akin to Greek peran to pass through — more at fare 1.: of or relating to the fibula 2.: near the fibula; especially: being a body part so located 3.: of, relating to, or involving a peroneal part < peroneal spasm >