Definitions:

1. In animals such as dogs, cats, and certain breeds of rabbits, refers to the floppy or pendulous part of the ear that hangs down and covers the opening of the ear canal. NOUN
   • The dog's earflaps bounced as he ran happily through the park.
2. In the context of hats or head coverings, refers to a part of the hat that extends down to cover the ears; often found in winter hats or caps designed to provide extra warmth and protection from cold weather. NOUN
   • The earflaps on my winter hat kept my ears toasty warm during the blizzard.

Synonyms:

• earlap
• earmuff
• laplet
• lobule