Definitions

1. adjective

relating to or resembling the eardrum or the tympanic membrane, especially in structure or function.

“The tympanal structure of the insect’s ear was crucial for its survival in the wild.”

2. noun

a structure in the ear of some insects, especially beetles and grasshoppers, that is similar to the human eardrum and is involved in sound detection.

“The tympanal organs of the grasshopper are highly sensitive to vibrations in the air.”