ap.pen.dixBODY PART E5pen7dIks n [C] pl appendixes R9penYdIkYsIz a small tube-shaped part which is joined to the INTESTINES on the right side of the body and has no use in humans 阑尾 She had her appendix out (=medically removed) last summer. 她去年夏天切除了阑尾。