GROMMET
none. (also grummet) 1 metal, plastic, or rubber eyelet placed in a hole to protect or insulate a rope or cable etc. Passed through it. 2 tube passed through the eardrum to make a communication with the middle ear. [french]
none. (also grummet) 1 metal, plastic, or rubber eyelet placed in a hole to protect or insulate a rope or cable etc. Passed through it. 2 tube passed through the eardrum to make a communication with the middle ear. [french]