Noun

• S: (n) middle ear, tympanic cavity, tympanum (the main cavity of the ear; between the eardrum and the inner ear)
• part meronym
• direct hypernym / inherited hypernym / sister term
• S: (n) cavity, bodily cavity, cavum ((anatomy) a natural hollow or sinus within the body)
• S: (n) structure, anatomical structure, complex body part, bodily structure, body structure (a particular complex anatomical part of a living thing and its construction and arrangement) "he has good bone structure"
• S: (n) body part (any part of an organism such as an organ or extremity)
• S: (n) part, piece (a portion of a natural object) "they analyzed the river into three parts"; "he needed a piece of granite"
• S: (n) thing (a separate and self-contained entity)
• S: (n) physical entity (an entity that has physical existence)
• S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
• part holonym
• S: (n) eardrum, tympanum, tympanic membrane, myringa (the membrane in the ear that vibrates to sound)
• direct hyponym / full hyponym
• part meronym
• S: (n) umbo (a slight rounded elevation where the malleus attaches to the eardrum)
• direct hypernym / inherited hypernym / sister term
• part holonym
• S: (n) ear (the sense organ for hearing and equilibrium)
• S: (n) kettle, kettledrum, tympanum, tympani, timpani (a large hemispherical brass or copper percussion instrument with a drumhead that can be tuned by adjusting the tension on it)