Early Audio Receiver.

An erect ear, rather broad at the base, rounded in outline at the top and with the orifice directed to the front: The French Bulldog has bat ears.

The folded and hanging down of the leather part of a dog's ear: The Basset dog and the Cocker Spaniel both have pendulous ears, which can be contrasted to erect or prick ears.

There are more than thirty terms used to characterize such drop ears of dogs

Erect ear carriage, usually pointed at the tip of the ear: The breed standards of terriers call for these dogs to have prick ears, which are held stiffly erect.

Ears carried erect with just the tips leaning forward: Sally had a Rough Collie that had such semiprick ears with the very top just beginning to fold over to the front.