Hearing Membranes That Vibrate With Sound

This page is the CodyCross answer for the clue below from Babies and Toddlers, Group 1674, Puzzle 1 (Dressing Themselves).

Question is: Hearing Membranes That Vibrate With Sound

and the answer is: EARDRUMS

Word Meaning:

EARDRUMS — plural of eardrum

Definitions from Wiktionary.