trapeziometacarpal

tra·pe·zi·o·met·a·car·pal

(tra-pē'zē-ō-met'ă-kar'păl), Relating to the trapezium and the metacarpus.

trapeziometacarpal

(tră-pē″zē-ō-mĕt″ă-kăr′păl) Pert. to or connecting the trapezium and the metacarpus of the thumb.