ears
n. countable A1 Beginner US //ˈiɹz// UK //ˈiəz// ears
n. the two parts on the sides of your head that you use for hearing.
n. the external organs of hearing in humans and other mammals. Often used figuratively to refer to the ability to hear or pay attention.
The rabbit has very long ears.
She whispered the secret directly into my ear so no one else could hear.
The conductor had such sharp ears that he could detect a single out-of-tune violin even during the loudest sections of the symphony.
Usage
Commonly used in the plural when referring to the physical organs; the singular is used for a specific side or a single organ.