Auditory Membrane Shaped Like a Cone

This page is the CodyCross answer for the clue below from Casino, Group 271, Puzzle 1 (Double or Nothing).

Question is: Auditory Membrane Shaped Like a Cone

and the answer is: EARDRUM

Word Meaning:

EARDRUM — (anatomy) A thin membrane that separates the outer ear from the middle ear and transmits sound from the air to the malleus.

Definitions from Wiktionary.